Home / 663,655,460,705.20-915,834,789,026.30-370,684,659,047.50

Finding the Fourth Proportional to 663,655,460,705.20, 915,834,789,026.30 and 370,684,659,047.50

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Solution

The fourth proportional to 663,655,460,705.20, 915,834,789,026.30 and 370,684,659,047.50 is: 511,539,385,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,705.20 : 915,834,789,026.30 = 370,684,659,047.50 : x
  2. Step 2: Convert to fraction form
    663,655,460,705.20/915,834,789,026.30 = 370,684,659,047.50/x
  3. Step 3: Cross multiply
    663,655,460,705.20x = 915,834,789,026.30 × 370,684,659,047.50
  4. Step 4: Simplify right side
    663,655,460,705.20x = 339,485,906,514,053,146,083,328
  5. Step 5: Solve for x
    x = 339,485,906,514,053,146,083,328/663,655,460,705.20
  6. Step 6: Final answer
    x = 511,539,385,441.53

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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.