Home / 492,141,010.80-738,211,516.20-484,488,260.40

Finding the Fourth Proportional to 492,141,010.80, 738,211,516.20 and 484,488,260.40

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Solution

The fourth proportional to 492,141,010.80, 738,211,516.20 and 484,488,260.40 is: 726,732,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,141,010.80 : 738,211,516.20 = 484,488,260.40 : x
  2. Step 2: Convert to fraction form
    492,141,010.80/738,211,516.20 = 484,488,260.40/x
  3. Step 3: Cross multiply
    492,141,010.80x = 738,211,516.20 × 484,488,260.40
  4. Step 4: Simplify right side
    492,141,010.80x = 357,654,813,290,984,448
  5. Step 5: Solve for x
    x = 357,654,813,290,984,448/492,141,010.80
  6. Step 6: Final answer
    x = 726,732,390.60

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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.