Home / 663,655,460,709.32-915,834,789,032.17-370,684,659,051.59

Finding the Fourth Proportional to 663,655,460,709.32, 915,834,789,032.17 and 370,684,659,051.59

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Solution

The fourth proportional to 663,655,460,709.32, 915,834,789,032.17 and 370,684,659,051.59 is: 511,539,385,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,709.32 : 915,834,789,032.17 = 370,684,659,051.59 : x
  2. Step 2: Convert to fraction form
    663,655,460,709.32/915,834,789,032.17 = 370,684,659,051.59/x
  3. Step 3: Cross multiply
    663,655,460,709.32x = 915,834,789,032.17 × 370,684,659,051.59
  4. Step 4: Simplify right side
    663,655,460,709.32x = 339,485,906,519,974,832,242,688
  5. Step 5: Solve for x
    x = 339,485,906,519,974,832,242,688/663,655,460,709.32
  6. Step 6: Final answer
    x = 511,539,385,447.28

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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.