Home / 654,578,757.56-903,318,446.84-357,221,000.45

Finding the Fourth Proportional to 654,578,757.56, 903,318,446.84 and 357,221,000.45

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Solution

The fourth proportional to 654,578,757.56, 903,318,446.84 and 357,221,000.45 is: 492,964,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,578,757.56 : 903,318,446.84 = 357,221,000.45 : x
  2. Step 2: Convert to fraction form
    654,578,757.56/903,318,446.84 = 357,221,000.45/x
  3. Step 3: Cross multiply
    654,578,757.56x = 903,318,446.84 × 357,221,000.45
  4. Step 4: Simplify right side
    654,578,757.56x = 322,684,319,298,822,272
  5. Step 5: Solve for x
    x = 322,684,319,298,822,272/654,578,757.56
  6. Step 6: Final answer
    x = 492,964,850.41

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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.