Home / 1,092,099,806.30-1,638,149,709.45-402,501,964.70

Finding the Fourth Proportional to 1,092,099,806.30, 1,638,149,709.45 and 402,501,964.70

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Solution

The fourth proportional to 1,092,099,806.30, 1,638,149,709.45 and 402,501,964.70 is: 603,752,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,099,806.30 : 1,638,149,709.45 = 402,501,964.70 : x
  2. Step 2: Convert to fraction form
    1,092,099,806.30/1,638,149,709.45 = 402,501,964.70/x
  3. Step 3: Cross multiply
    1,092,099,806.30x = 1,638,149,709.45 × 402,501,964.70
  4. Step 4: Simplify right side
    1,092,099,806.30x = 659,358,476,526,359,168
  5. Step 5: Solve for x
    x = 659,358,476,526,359,168/1,092,099,806.30
  6. Step 6: Final answer
    x = 603,752,947.05

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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.