Home / 452,296,811.80-678,445,217.70-297,328,616.20

Finding the Fourth Proportional to 452,296,811.80, 678,445,217.70 and 297,328,616.20

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Solution

The fourth proportional to 452,296,811.80, 678,445,217.70 and 297,328,616.20 is: 445,992,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,296,811.80 : 678,445,217.70 = 297,328,616.20 : x
  2. Step 2: Convert to fraction form
    452,296,811.80/678,445,217.70 = 297,328,616.20/x
  3. Step 3: Cross multiply
    452,296,811.80x = 678,445,217.70 × 297,328,616.20
  4. Step 4: Simplify right side
    452,296,811.80x = 201,721,177,746,248,768
  5. Step 5: Solve for x
    x = 201,721,177,746,248,768/452,296,811.80
  6. Step 6: Final answer
    x = 445,992,924.30

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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.