Home / 582,691,919.40-874,037,879.10-399,025,909.80

Finding the Fourth Proportional to 582,691,919.40, 874,037,879.10 and 399,025,909.80

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Solution

The fourth proportional to 582,691,919.40, 874,037,879.10 and 399,025,909.80 is: 598,538,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,691,919.40 : 874,037,879.10 = 399,025,909.80 : x
  2. Step 2: Convert to fraction form
    582,691,919.40/874,037,879.10 = 399,025,909.80/x
  3. Step 3: Cross multiply
    582,691,919.40x = 874,037,879.10 × 399,025,909.80
  4. Step 4: Simplify right side
    582,691,919.40x = 348,763,759,907,539,904
  5. Step 5: Solve for x
    x = 348,763,759,907,539,904/582,691,919.40
  6. Step 6: Final answer
    x = 598,538,864.70

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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.