Home / 988,120,402.47-1,363,519,308.96-564,650,027.85

Finding the Fourth Proportional to 988,120,402.47, 1,363,519,308.96 and 564,650,027.85

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Solution

The fourth proportional to 988,120,402.47, 1,363,519,308.96 and 564,650,027.85 is: 779,167,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,120,402.47 : 1,363,519,308.96 = 564,650,027.85 : x
  2. Step 2: Convert to fraction form
    988,120,402.47/1,363,519,308.96 = 564,650,027.85/x
  3. Step 3: Cross multiply
    988,120,402.47x = 1,363,519,308.96 × 564,650,027.85
  4. Step 4: Simplify right side
    988,120,402.47x = 769,911,215,778,276,864
  5. Step 5: Solve for x
    x = 769,911,215,778,276,864/988,120,402.47
  6. Step 6: Final answer
    x = 779,167,411.03

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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.