Home / 406,875,481.56-610,255,732.86-130,490,776.44

Finding the Fourth Proportional to 406,875,481.56, 610,255,732.86 and 130,490,776.44

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Solution

The fourth proportional to 406,875,481.56, 610,255,732.86 and 130,490,776.44 is: 195,717,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,875,481.56 : 610,255,732.86 = 130,490,776.44 : x
  2. Step 2: Convert to fraction form
    406,875,481.56/610,255,732.86 = 130,490,776.44/x
  3. Step 3: Cross multiply
    406,875,481.56x = 610,255,732.86 × 130,490,776.44
  4. Step 4: Simplify right side
    406,875,481.56x = 79,632,744,407,862,624
  5. Step 5: Solve for x
    x = 79,632,744,407,862,624/406,875,481.56
  6. Step 6: Final answer
    x = 195,717,726.96

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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.