Home / 308,499,532,177.92-462,927,828,902.40-129,409,479,605.76

Finding the Fourth Proportional to 308,499,532,177.92, 462,927,828,902.40 and 129,409,479,605.76

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Solution

The fourth proportional to 308,499,532,177.92, 462,927,828,902.40 and 129,409,479,605.76 is: 194,189,109,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,499,532,177.92 : 462,927,828,902.40 = 129,409,479,605.76 : x
  2. Step 2: Convert to fraction form
    308,499,532,177.92/462,927,828,902.40 = 129,409,479,605.76/x
  3. Step 3: Cross multiply
    308,499,532,177.92x = 462,927,828,902.40 × 129,409,479,605.76
  4. Step 4: Simplify right side
    308,499,532,177.92x = 59,907,249,433,283,888,414,720
  5. Step 5: Solve for x
    x = 59,907,249,433,283,888,414,720/308,499,532,177.92
  6. Step 6: Final answer
    x = 194,189,109,495.10

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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.