Home / 663,655,460,705.50-915,834,789,026.80-370,684,659,047.81

Finding the Fourth Proportional to 663,655,460,705.50, 915,834,789,026.80 and 370,684,659,047.81

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Solution

The fourth proportional to 663,655,460,705.50, 915,834,789,026.80 and 370,684,659,047.81 is: 511,539,385,442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,705.50 : 915,834,789,026.80 = 370,684,659,047.81 : x
  2. Step 2: Convert to fraction form
    663,655,460,705.50/915,834,789,026.80 = 370,684,659,047.81/x
  3. Step 3: Cross multiply
    663,655,460,705.50x = 915,834,789,026.80 × 370,684,659,047.81
  4. Step 4: Simplify right side
    663,655,460,705.50x = 339,485,906,514,522,371,260,416
  5. Step 5: Solve for x
    x = 339,485,906,514,522,371,260,416/663,655,460,705.50
  6. Step 6: Final answer
    x = 511,539,385,442.01

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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.