Home / 278,834,095,711.75-418,442,194,811.85-97,316,928,287.10

Finding the Fourth Proportional to 278,834,095,711.75, 418,442,194,811.85 and 97,316,928,287.10

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Solution

The fourth proportional to 278,834,095,711.75, 418,442,194,811.85 and 97,316,928,287.10 is: 146,042,071,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,834,095,711.75 : 418,442,194,811.85 = 97,316,928,287.10 : x
  2. Step 2: Convert to fraction form
    278,834,095,711.75/418,442,194,811.85 = 97,316,928,287.10/x
  3. Step 3: Cross multiply
    278,834,095,711.75x = 418,442,194,811.85 × 97,316,928,287.10
  4. Step 4: Simplify right side
    278,834,095,711.75x = 40,721,509,064,801,530,150,912
  5. Step 5: Solve for x
    x = 40,721,509,064,801,530,150,912/278,834,095,711.75
  6. Step 6: Final answer
    x = 146,042,071,938.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.