Home / 1,121,010,672.30-1,681,516,008.45-383,835,575.19

Finding the Fourth Proportional to 1,121,010,672.30, 1,681,516,008.45 and 383,835,575.19

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Solution

The fourth proportional to 1,121,010,672.30, 1,681,516,008.45 and 383,835,575.19 is: 575,753,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,010,672.30 : 1,681,516,008.45 = 383,835,575.19 : x
  2. Step 2: Convert to fraction form
    1,121,010,672.30/1,681,516,008.45 = 383,835,575.19/x
  3. Step 3: Cross multiply
    1,121,010,672.30x = 1,681,516,008.45 × 383,835,575.19
  4. Step 4: Simplify right side
    1,121,010,672.30x = 645,425,664,294,598,656
  5. Step 5: Solve for x
    x = 645,425,664,294,598,656/1,121,010,672.30
  6. Step 6: Final answer
    x = 575,753,362.79

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Double scale
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Similar ratio
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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.