Home / 406,251,608.18-609,185,311.55-157,373,428.40

Finding the Fourth Proportional to 406,251,608.18, 609,185,311.55 and 157,373,428.40

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Solution

The fourth proportional to 406,251,608.18, 609,185,311.55 and 157,373,428.40 is: 235,985,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,251,608.18 : 609,185,311.55 = 157,373,428.40 : x
  2. Step 2: Convert to fraction form
    406,251,608.18/609,185,311.55 = 157,373,428.40/x
  3. Step 3: Cross multiply
    406,251,608.18x = 609,185,311.55 × 157,373,428.40
  4. Step 4: Simplify right side
    406,251,608.18x = 95,869,581,010,281,712
  5. Step 5: Solve for x
    x = 95,869,581,010,281,712/406,251,608.18
  6. Step 6: Final answer
    x = 235,985,726.77

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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.