Home / 1,134,681,470.40-1,702,022,205.60-407,693,899.20

Finding the Fourth Proportional to 1,134,681,470.40, 1,702,022,205.60 and 407,693,899.20

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Solution

The fourth proportional to 1,134,681,470.40, 1,702,022,205.60 and 407,693,899.20 is: 611,540,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,681,470.40 : 1,702,022,205.60 = 407,693,899.20 : x
  2. Step 2: Convert to fraction form
    1,134,681,470.40/1,702,022,205.60 = 407,693,899.20/x
  3. Step 3: Cross multiply
    1,134,681,470.40x = 1,702,022,205.60 × 407,693,899.20
  4. Step 4: Simplify right side
    1,134,681,470.40x = 693,904,069,526,048,000
  5. Step 5: Solve for x
    x = 693,904,069,526,048,000/1,134,681,470.40
  6. Step 6: Final answer
    x = 611,540,848.80

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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.