Home / 1,488,860,998.20-2,233,375,478.10-453,755,647.80

Finding the Fourth Proportional to 1,488,860,998.20, 2,233,375,478.10 and 453,755,647.80

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Solution

The fourth proportional to 1,488,860,998.20, 2,233,375,478.10 and 453,755,647.80 is: 680,659,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,860,998.20 : 2,233,375,478.10 = 453,755,647.80 : x
  2. Step 2: Convert to fraction form
    1,488,860,998.20/2,233,375,478.10 = 453,755,647.80/x
  3. Step 3: Cross multiply
    1,488,860,998.20x = 2,233,375,478.10 × 453,755,647.80
  4. Step 4: Simplify right side
    1,488,860,998.20x = 1,013,406,736,845,900,160
  5. Step 5: Solve for x
    x = 1,013,406,736,845,900,160/1,488,860,998.20
  6. Step 6: Final answer
    x = 680,659,066.27

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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.