Home / 974,908,311.22-1,345,373,469.60-557,229,564.58

Finding the Fourth Proportional to 974,908,311.22, 1,345,373,469.60 and 557,229,564.58

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Solution

The fourth proportional to 974,908,311.22, 1,345,373,469.60 and 557,229,564.58 is: 768,976,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,908,311.22 : 1,345,373,469.60 = 557,229,564.58 : x
  2. Step 2: Convert to fraction form
    974,908,311.22/1,345,373,469.60 = 557,229,564.58/x
  3. Step 3: Cross multiply
    974,908,311.22x = 1,345,373,469.60 × 557,229,564.58
  4. Step 4: Simplify right side
    974,908,311.22x = 749,681,872,662,691,840
  5. Step 5: Solve for x
    x = 749,681,872,662,691,840/974,908,311.22
  6. Step 6: Final answer
    x = 768,976,799.19

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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.