Home / 309,049,344,882.05-463,574,017,323.08-296,859,363,800.45

Finding the Fourth Proportional to 309,049,344,882.05, 463,574,017,323.08 and 296,859,363,800.45

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Solution

The fourth proportional to 309,049,344,882.05, 463,574,017,323.08 and 296,859,363,800.45 is: 445,289,045,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,344,882.05 : 463,574,017,323.08 = 296,859,363,800.45 : x
  2. Step 2: Convert to fraction form
    309,049,344,882.05/463,574,017,323.08 = 296,859,363,800.45/x
  3. Step 3: Cross multiply
    309,049,344,882.05x = 463,574,017,323.08 × 296,859,363,800.45
  4. Step 4: Simplify right side
    309,049,344,882.05x = 137,616,287,856,948,320,141,312
  5. Step 5: Solve for x
    x = 137,616,287,856,948,320,141,312/309,049,344,882.05
  6. Step 6: Final answer
    x = 445,289,045,700.68

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Double scale
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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.