Home / 681,645,704,430.30-1,022,468,556,645.50-309,415,924,974.30

Finding the Fourth Proportional to 681,645,704,430.30, 1,022,468,556,645.50 and 309,415,924,974.30

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Solution

The fourth proportional to 681,645,704,430.30, 1,022,468,556,645.50 and 309,415,924,974.30 is: 464,123,887,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,645,704,430.30 : 1,022,468,556,645.50 = 309,415,924,974.30 : x
  2. Step 2: Convert to fraction form
    681,645,704,430.30/1,022,468,556,645.50 = 309,415,924,974.30/x
  3. Step 3: Cross multiply
    681,645,704,430.30x = 1,022,468,556,645.50 × 309,415,924,974.30
  4. Step 4: Simplify right side
    681,645,704,430.30x = 316,368,054,211,604,799,029,248
  5. Step 5: Solve for x
    x = 316,368,054,211,604,799,029,248/681,645,704,430.30
  6. Step 6: Final answer
    x = 464,123,887,461.47

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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.