Home / 663,655,460,704.40-915,834,789,025.15-370,684,659,046.65

Finding the Fourth Proportional to 663,655,460,704.40, 915,834,789,025.15 and 370,684,659,046.65

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Solution

The fourth proportional to 663,655,460,704.40, 915,834,789,025.15 and 370,684,659,046.65 is: 511,539,385,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,655,460,704.40 : 915,834,789,025.15 = 370,684,659,046.65 : x
  2. Step 2: Convert to fraction form
    663,655,460,704.40/915,834,789,025.15 = 370,684,659,046.65/x
  3. Step 3: Cross multiply
    663,655,460,704.40x = 915,834,789,025.15 × 370,684,659,046.65
  4. Step 4: Simplify right side
    663,655,460,704.40x = 339,485,906,512,848,407,756,800
  5. Step 5: Solve for x
    x = 339,485,906,512,848,407,756,800/663,655,460,704.40
  6. Step 6: Final answer
    x = 511,539,385,440.33

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Double scale
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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.