Home / 1,136,693,753.70-1,705,040,630.55-646,917,728.10

Finding the Fourth Proportional to 1,136,693,753.70, 1,705,040,630.55 and 646,917,728.10

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Solution

The fourth proportional to 1,136,693,753.70, 1,705,040,630.55 and 646,917,728.10 is: 970,376,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,753.70 : 1,705,040,630.55 = 646,917,728.10 : x
  2. Step 2: Convert to fraction form
    1,136,693,753.70/1,705,040,630.55 = 646,917,728.10/x
  3. Step 3: Cross multiply
    1,136,693,753.70x = 1,705,040,630.55 × 646,917,728.10
  4. Step 4: Simplify right side
    1,136,693,753.70x = 1,103,021,011,033,597,440
  5. Step 5: Solve for x
    x = 1,103,021,011,033,597,440/1,136,693,753.70
  6. Step 6: Final answer
    x = 970,376,592.15

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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.