Home / 517,742,149.20-714,479,449.38-282,792,747.48

Finding the Fourth Proportional to 517,742,149.20, 714,479,449.38 and 282,792,747.48

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Solution

The fourth proportional to 517,742,149.20, 714,479,449.38 and 282,792,747.48 is: 390,251,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,742,149.20 : 714,479,449.38 = 282,792,747.48 : x
  2. Step 2: Convert to fraction form
    517,742,149.20/714,479,449.38 = 282,792,747.48/x
  3. Step 3: Cross multiply
    517,742,149.20x = 714,479,449.38 × 282,792,747.48
  4. Step 4: Simplify right side
    517,742,149.20x = 202,049,606,508,167,808
  5. Step 5: Solve for x
    x = 202,049,606,508,167,808/517,742,149.20
  6. Step 6: Final answer
    x = 390,251,415.34

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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.