Home / 663,655,460,703.55-915,834,789,024-370,684,659,045.80

Finding the Fourth Proportional to 663,655,460,703.55, 915,834,789,024 and 370,684,659,045.80

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Solution

The fourth proportional to 663,655,460,703.55, 915,834,789,024 and 370,684,659,045.80 is: 511,539,385,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,703.55 : 915,834,789,024 = 370,684,659,045.80 : x
  2. Step 2: Convert to fraction form
    663,655,460,703.55/915,834,789,024 = 370,684,659,045.80/x
  3. Step 3: Cross multiply
    663,655,460,703.55x = 915,834,789,024 × 370,684,659,045.80
  4. Step 4: Simplify right side
    663,655,460,703.55x = 339,485,906,511,643,602,321,408
  5. Step 5: Solve for x
    x = 339,485,906,511,643,602,321,408/663,655,460,703.55
  6. Step 6: Final answer
    x = 511,539,385,439.17

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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.