Home / 1,092,099,807.30-1,638,149,710.95-402,501,965.70

Finding the Fourth Proportional to 1,092,099,807.30, 1,638,149,710.95 and 402,501,965.70

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Solution

The fourth proportional to 1,092,099,807.30, 1,638,149,710.95 and 402,501,965.70 is: 603,752,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,099,807.30 : 1,638,149,710.95 = 402,501,965.70 : x
  2. Step 2: Convert to fraction form
    1,092,099,807.30/1,638,149,710.95 = 402,501,965.70/x
  3. Step 3: Cross multiply
    1,092,099,807.30x = 1,638,149,710.95 × 402,501,965.70
  4. Step 4: Simplify right side
    1,092,099,807.30x = 659,358,478,768,261,760
  5. Step 5: Solve for x
    x = 659,358,478,768,261,760/1,092,099,807.30
  6. Step 6: Final answer
    x = 603,752,948.55

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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.