Home / 390,678,171,864-539,150,427,266.76-234,273,827,968.62

Finding the Fourth Proportional to 390,678,171,864, 539,150,427,266.76 and 234,273,827,968.62

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Solution

The fourth proportional to 390,678,171,864, 539,150,427,266.76 and 234,273,827,968.62 is: 323,306,607,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,678,171,864 : 539,150,427,266.76 = 234,273,827,968.62 : x
  2. Step 2: Convert to fraction form
    390,678,171,864/539,150,427,266.76 = 234,273,827,968.62/x
  3. Step 3: Cross multiply
    390,678,171,864x = 539,150,427,266.76 × 234,273,827,968.62
  4. Step 4: Simplify right side
    390,678,171,864x = 126,308,834,446,700,896,583,680
  5. Step 5: Solve for x
    x = 126,308,834,446,700,896,583,680/390,678,171,864
  6. Step 6: Final answer
    x = 323,306,607,697.22

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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.