Home / 943,715,785.10-1,415,573,677.65-576,383,765.90

Finding the Fourth Proportional to 943,715,785.10, 1,415,573,677.65 and 576,383,765.90

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Solution

The fourth proportional to 943,715,785.10, 1,415,573,677.65 and 576,383,765.90 is: 864,575,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,715,785.10 : 1,415,573,677.65 = 576,383,765.90 : x
  2. Step 2: Convert to fraction form
    943,715,785.10/1,415,573,677.65 = 576,383,765.90/x
  3. Step 3: Cross multiply
    943,715,785.10x = 1,415,573,677.65 × 576,383,765.90
  4. Step 4: Simplify right side
    943,715,785.10x = 815,913,687,232,819,712
  5. Step 5: Solve for x
    x = 815,913,687,232,819,712/943,715,785.10
  6. Step 6: Final answer
    x = 864,575,648.85

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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.