Home / 1,029,302,143.20-1,420,447,926.96-559,403,488.44

Finding the Fourth Proportional to 1,029,302,143.20, 1,420,447,926.96 and 559,403,488.44

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Solution

The fourth proportional to 1,029,302,143.20, 1,420,447,926.96 and 559,403,488.44 is: 771,982,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,302,143.20 : 1,420,447,926.96 = 559,403,488.44 : x
  2. Step 2: Convert to fraction form
    1,029,302,143.20/1,420,447,926.96 = 559,403,488.44/x
  3. Step 3: Cross multiply
    1,029,302,143.20x = 1,420,447,926.96 × 559,403,488.44
  4. Step 4: Simplify right side
    1,029,302,143.20x = 794,603,525,488,790,400
  5. Step 5: Solve for x
    x = 794,603,525,488,790,400/1,029,302,143.20
  6. Step 6: Final answer
    x = 771,982,775.65

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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.