Home / 656,976,708.48-906,628,141.52-359,620,646.72

Finding the Fourth Proportional to 656,976,708.48, 906,628,141.52 and 359,620,646.72

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Solution

The fourth proportional to 656,976,708.48, 906,628,141.52 and 359,620,646.72 is: 496,276,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,976,708.48 : 906,628,141.52 = 359,620,646.72 : x
  2. Step 2: Convert to fraction form
    656,976,708.48/906,628,141.52 = 359,620,646.72/x
  3. Step 3: Cross multiply
    656,976,708.48x = 906,628,141.52 × 359,620,646.72
  4. Step 4: Simplify right side
    656,976,708.48x = 326,042,198,587,974,080
  5. Step 5: Solve for x
    x = 326,042,198,587,974,080/656,976,708.48
  6. Step 6: Final answer
    x = 496,276,647.83

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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.