Home / 1,188,432,327.60-1,782,648,491.40-575,078,554.80

Finding the Fourth Proportional to 1,188,432,327.60, 1,782,648,491.40 and 575,078,554.80

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Solution

The fourth proportional to 1,188,432,327.60, 1,782,648,491.40 and 575,078,554.80 is: 862,617,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,432,327.60 : 1,782,648,491.40 = 575,078,554.80 : x
  2. Step 2: Convert to fraction form
    1,188,432,327.60/1,782,648,491.40 = 575,078,554.80/x
  3. Step 3: Cross multiply
    1,188,432,327.60x = 1,782,648,491.40 × 575,078,554.80
  4. Step 4: Simplify right side
    1,188,432,327.60x = 1,025,162,918,150,712,192
  5. Step 5: Solve for x
    x = 1,025,162,918,150,712,192/1,188,432,327.60
  6. Step 6: Final answer
    x = 862,617,832.20

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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.