Home / 948,698,921.28-1,423,293,714.88-555,557,761.92

Finding the Fourth Proportional to 948,698,921.28, 1,423,293,714.88 and 555,557,761.92

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Solution

The fourth proportional to 948,698,921.28, 1,423,293,714.88 and 555,557,761.92 is: 833,480,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,698,921.28 : 1,423,293,714.88 = 555,557,761.92 : x
  2. Step 2: Convert to fraction form
    948,698,921.28/1,423,293,714.88 = 555,557,761.92/x
  3. Step 3: Cross multiply
    948,698,921.28x = 1,423,293,714.88 × 555,557,761.92
  4. Step 4: Simplify right side
    948,698,921.28x = 790,721,870,793,535,360
  5. Step 5: Solve for x
    x = 790,721,870,793,535,360/948,698,921.28
  6. Step 6: Final answer
    x = 833,480,309.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.