Home / 1,121,010,246.30-1,681,515,369.45-753,678,227.10

Finding the Fourth Proportional to 1,121,010,246.30, 1,681,515,369.45 and 753,678,227.10

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Solution

The fourth proportional to 1,121,010,246.30, 1,681,515,369.45 and 753,678,227.10 is: 1,130,517,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,010,246.30 : 1,681,515,369.45 = 753,678,227.10 : x
  2. Step 2: Convert to fraction form
    1,121,010,246.30/1,681,515,369.45 = 753,678,227.10/x
  3. Step 3: Cross multiply
    1,121,010,246.30x = 1,681,515,369.45 × 753,678,227.10
  4. Step 4: Simplify right side
    1,121,010,246.30x = 1,267,321,522,488,477,696
  5. Step 5: Solve for x
    x = 1,267,321,522,488,477,696/1,121,010,246.30
  6. Step 6: Final answer
    x = 1,130,517,340.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.