Home / 557,127,009.90-833,706,468.45-485,134,469.10

Finding the Fourth Proportional to 557,127,009.90, 833,706,468.45 and 485,134,469.10

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Solution

The fourth proportional to 557,127,009.90, 833,706,468.45 and 485,134,469.10 is: 725,974,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,127,009.90 : 833,706,468.45 = 485,134,469.10 : x
  2. Step 2: Convert to fraction form
    557,127,009.90/833,706,468.45 = 485,134,469.10/x
  3. Step 3: Cross multiply
    557,127,009.90x = 833,706,468.45 × 485,134,469.10
  4. Step 4: Simplify right side
    557,127,009.90x = 404,459,744,956,726,720
  5. Step 5: Solve for x
    x = 404,459,744,956,726,720/557,127,009.90
  6. Step 6: Final answer
    x = 725,974,037.82

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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.