Home / 724,102,754.64-999,367,097.61-406,598,643.60

Finding the Fourth Proportional to 724,102,754.64, 999,367,097.61 and 406,598,643.60

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Solution

The fourth proportional to 724,102,754.64, 999,367,097.61 and 406,598,643.60 is: 561,165,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,102,754.64 : 999,367,097.61 = 406,598,643.60 : x
  2. Step 2: Convert to fraction form
    724,102,754.64/999,367,097.61 = 406,598,643.60/x
  3. Step 3: Cross multiply
    724,102,754.64x = 999,367,097.61 × 406,598,643.60
  4. Step 4: Simplify right side
    724,102,754.64x = 406,341,306,346,694,848
  5. Step 5: Solve for x
    x = 406,341,306,346,694,848/724,102,754.64
  6. Step 6: Final answer
    x = 561,165,254.16

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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.