Home / 403,726,269.60-605,872,839.60-173,860,322.40

Finding the Fourth Proportional to 403,726,269.60, 605,872,839.60 and 173,860,322.40

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Solution

The fourth proportional to 403,726,269.60, 605,872,839.60 and 173,860,322.40 is: 260,912,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,726,269.60 : 605,872,839.60 = 173,860,322.40 : x
  2. Step 2: Convert to fraction form
    403,726,269.60/605,872,839.60 = 173,860,322.40/x
  3. Step 3: Cross multiply
    403,726,269.60x = 605,872,839.60 × 173,860,322.40
  4. Step 4: Simplify right side
    403,726,269.60x = 105,337,247,226,259,488
  5. Step 5: Solve for x
    x = 105,337,247,226,259,488/403,726,269.60
  6. Step 6: Final answer
    x = 260,912,541.88

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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.