Home / 517,932,412.96-714,738,275.28-282,978,016.96

Finding the Fourth Proportional to 517,932,412.96, 714,738,275.28 and 282,978,016.96

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Solution

The fourth proportional to 517,932,412.96, 714,738,275.28 and 282,978,016.96 is: 390,505,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,932,412.96 : 714,738,275.28 = 282,978,016.96 : x
  2. Step 2: Convert to fraction form
    517,932,412.96/714,738,275.28 = 282,978,016.96/x
  3. Step 3: Cross multiply
    517,932,412.96x = 714,738,275.28 × 282,978,016.96
  4. Step 4: Simplify right side
    517,932,412.96x = 202,255,219,784,144,960
  5. Step 5: Solve for x
    x = 202,255,219,784,144,960/517,932,412.96
  6. Step 6: Final answer
    x = 390,505,044.14

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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.