Home / 663,655,460,722.38-915,834,789,049.96-370,684,659,064.62

Finding the Fourth Proportional to 663,655,460,722.38, 915,834,789,049.96 and 370,684,659,064.62

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Solution

The fourth proportional to 663,655,460,722.38, 915,834,789,049.96 and 370,684,659,064.62 is: 511,539,385,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,722.38 : 915,834,789,049.96 = 370,684,659,064.62 : x
  2. Step 2: Convert to fraction form
    663,655,460,722.38/915,834,789,049.96 = 370,684,659,064.62/x
  3. Step 3: Cross multiply
    663,655,460,722.38x = 915,834,789,049.96 × 370,684,659,064.62
  4. Step 4: Simplify right side
    663,655,460,722.38x = 339,485,906,538,502,582,960,128
  5. Step 5: Solve for x
    x = 339,485,906,538,502,582,960,128/663,655,460,722.38
  6. Step 6: Final answer
    x = 511,539,385,465.13

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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.