Home / 492,140,038.80-738,210,058.20-484,487,288.40

Finding the Fourth Proportional to 492,140,038.80, 738,210,058.20 and 484,487,288.40

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Solution

The fourth proportional to 492,140,038.80, 738,210,058.20 and 484,487,288.40 is: 726,730,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,140,038.80 : 738,210,058.20 = 484,487,288.40 : x
  2. Step 2: Convert to fraction form
    492,140,038.80/738,210,058.20 = 484,487,288.40/x
  3. Step 3: Cross multiply
    492,140,038.80x = 738,210,058.20 × 484,487,288.40
  4. Step 4: Simplify right side
    492,140,038.80x = 357,653,389,366,924,160
  5. Step 5: Solve for x
    x = 357,653,389,366,924,160/492,140,038.80
  6. Step 6: Final answer
    x = 726,730,932.60

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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.