Home / 1,134,681,517.40-1,702,022,276.10-407,693,946.20

Finding the Fourth Proportional to 1,134,681,517.40, 1,702,022,276.10 and 407,693,946.20

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Solution

The fourth proportional to 1,134,681,517.40, 1,702,022,276.10 and 407,693,946.20 is: 611,540,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,681,517.40 : 1,702,022,276.10 = 407,693,946.20 : x
  2. Step 2: Convert to fraction form
    1,134,681,517.40/1,702,022,276.10 = 407,693,946.20/x
  3. Step 3: Cross multiply
    1,134,681,517.40x = 1,702,022,276.10 × 407,693,946.20
  4. Step 4: Simplify right side
    1,134,681,517.40x = 693,904,178,263,514,880
  5. Step 5: Solve for x
    x = 693,904,178,263,514,880/1,134,681,517.40
  6. Step 6: Final answer
    x = 611,540,919.30

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Half scale
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Double scale
Find fourth proportional to 1,134,681,518.40, 1,702,022,277.60 and 407,693,947.20
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.