Home / 658,233,967.20-908,455,413.24-407,418,808.56

Finding the Fourth Proportional to 658,233,967.20, 908,455,413.24 and 407,418,808.56

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Solution

The fourth proportional to 658,233,967.20, 908,455,413.24 and 407,418,808.56 is: 562,295,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,233,967.20 : 908,455,413.24 = 407,418,808.56 : x
  2. Step 2: Convert to fraction form
    658,233,967.20/908,455,413.24 = 407,418,808.56/x
  3. Step 3: Cross multiply
    658,233,967.20x = 908,455,413.24 × 407,418,808.56
  4. Step 4: Simplify right side
    658,233,967.20x = 370,121,822,092,123,264
  5. Step 5: Solve for x
    x = 370,121,822,092,123,264/658,233,967.20
  6. Step 6: Final answer
    x = 562,295,233.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.