Home / 1,031,918,468.82-1,548,543,630.15-376,814,645.70

Finding the Fourth Proportional to 1,031,918,468.82, 1,548,543,630.15 and 376,814,645.70

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Solution

The fourth proportional to 1,031,918,468.82, 1,548,543,630.15 and 376,814,645.70 is: 565,465,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,918,468.82 : 1,548,543,630.15 = 376,814,645.70 : x
  2. Step 2: Convert to fraction form
    1,031,918,468.82/1,548,543,630.15 = 376,814,645.70/x
  3. Step 3: Cross multiply
    1,031,918,468.82x = 1,548,543,630.15 × 376,814,645.70
  4. Step 4: Simplify right side
    1,031,918,468.82x = 583,513,919,345,964,160
  5. Step 5: Solve for x
    x = 583,513,919,345,964,160/1,031,918,468.82
  6. Step 6: Final answer
    x = 565,465,137.97

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Double scale
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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.