Home / 309,049,344,890.80-463,574,017,336.20-296,859,363,809.20

Finding the Fourth Proportional to 309,049,344,890.80, 463,574,017,336.20 and 296,859,363,809.20

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Solution

The fourth proportional to 309,049,344,890.80, 463,574,017,336.20 and 296,859,363,809.20 is: 445,289,045,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,344,890.80 : 463,574,017,336.20 = 296,859,363,809.20 : x
  2. Step 2: Convert to fraction form
    309,049,344,890.80/463,574,017,336.20 = 296,859,363,809.20/x
  3. Step 3: Cross multiply
    309,049,344,890.80x = 463,574,017,336.20 × 296,859,363,809.20
  4. Step 4: Simplify right side
    309,049,344,890.80x = 137,616,287,864,899,395,125,248
  5. Step 5: Solve for x
    x = 137,616,287,864,899,395,125,248/309,049,344,890.80
  6. Step 6: Final answer
    x = 445,289,045,713.80

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Double scale
Find fourth proportional to 309,049,344,891.80, 463,574,017,337.70 and 296,859,363,810.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.