Home / 514,691,557.18-710,281,542.11-279,742,147.18

Finding the Fourth Proportional to 514,691,557.18, 710,281,542.11 and 279,742,147.18

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Solution

The fourth proportional to 514,691,557.18, 710,281,542.11 and 279,742,147.18 is: 386,048,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,691,557.18 : 710,281,542.11 = 279,742,147.18 : x
  2. Step 2: Convert to fraction form
    514,691,557.18/710,281,542.11 = 279,742,147.18/x
  3. Step 3: Cross multiply
    514,691,557.18x = 710,281,542.11 × 279,742,147.18
  4. Step 4: Simplify right side
    514,691,557.18x = 198,695,683,688,998,592
  5. Step 5: Solve for x
    x = 198,695,683,688,998,592/514,691,557.18
  6. Step 6: Final answer
    x = 386,048,072.71

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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.