Home / 1,000,195,893.25-1,499,712,292.98-378,459,154.20

Finding the Fourth Proportional to 1,000,195,893.25, 1,499,712,292.98 and 378,459,154.20

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Solution

The fourth proportional to 1,000,195,893.25, 1,499,712,292.98 and 378,459,154.20 is: 567,468,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,195,893.25 : 1,499,712,292.98 = 378,459,154.20 : x
  2. Step 2: Convert to fraction form
    1,000,195,893.25/1,499,712,292.98 = 378,459,154.20/x
  3. Step 3: Cross multiply
    1,000,195,893.25x = 1,499,712,292.98 × 378,459,154.20
  4. Step 4: Simplify right side
    1,000,195,893.25x = 567,579,845,944,553,408
  5. Step 5: Solve for x
    x = 567,579,845,944,553,408/1,000,195,893.25
  6. Step 6: Final answer
    x = 567,468,682.66

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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.