Home / 1,246,334,996.70-1,869,502,495.05-519,229,230.30

Finding the Fourth Proportional to 1,246,334,996.70, 1,869,502,495.05 and 519,229,230.30

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Solution

The fourth proportional to 1,246,334,996.70, 1,869,502,495.05 and 519,229,230.30 is: 778,843,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,334,996.70 : 1,869,502,495.05 = 519,229,230.30 : x
  2. Step 2: Convert to fraction form
    1,246,334,996.70/1,869,502,495.05 = 519,229,230.30/x
  3. Step 3: Cross multiply
    1,246,334,996.70x = 1,869,502,495.05 × 519,229,230.30
  4. Step 4: Simplify right side
    1,246,334,996.70x = 970,700,341,548,741,120
  5. Step 5: Solve for x
    x = 970,700,341,548,741,120/1,246,334,996.70
  6. Step 6: Final answer
    x = 778,843,845.45

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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.