Home / 625,744,314.40-938,840,420.40-262,350,061.60

Finding the Fourth Proportional to 625,744,314.40, 938,840,420.40 and 262,350,061.60

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Solution

The fourth proportional to 625,744,314.40, 938,840,420.40 and 262,350,061.60 is: 393,618,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,744,314.40 : 938,840,420.40 = 262,350,061.60 : x
  2. Step 2: Convert to fraction form
    625,744,314.40/938,840,420.40 = 262,350,061.60/x
  3. Step 3: Cross multiply
    625,744,314.40x = 938,840,420.40 × 262,350,061.60
  4. Step 4: Simplify right side
    625,744,314.40x = 246,304,842,124,509,888
  5. Step 5: Solve for x
    x = 246,304,842,124,509,888/625,744,314.40
  6. Step 6: Final answer
    x = 393,618,985.35

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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.