Home / 663,655,460,705.90-915,834,789,027.23-370,684,659,048.15

Finding the Fourth Proportional to 663,655,460,705.90, 915,834,789,027.23 and 370,684,659,048.15

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Solution

The fourth proportional to 663,655,460,705.90, 915,834,789,027.23 and 370,684,659,048.15 is: 511,539,385,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,705.90 : 915,834,789,027.23 = 370,684,659,048.15 : x
  2. Step 2: Convert to fraction form
    663,655,460,705.90/915,834,789,027.23 = 370,684,659,048.15/x
  3. Step 3: Cross multiply
    663,655,460,705.90x = 915,834,789,027.23 × 370,684,659,048.15
  4. Step 4: Simplify right side
    663,655,460,705.90x = 339,485,906,514,993,139,941,376
  5. Step 5: Solve for x
    x = 339,485,906,514,993,139,941,376/663,655,460,705.90
  6. Step 6: Final answer
    x = 511,539,385,442.41

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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.