Home / 1,069,359,812.80-1,604,039,719.20-702,027,793.60

Finding the Fourth Proportional to 1,069,359,812.80, 1,604,039,719.20 and 702,027,793.60

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Solution

The fourth proportional to 1,069,359,812.80, 1,604,039,719.20 and 702,027,793.60 is: 1,053,041,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,359,812.80 : 1,604,039,719.20 = 702,027,793.60 : x
  2. Step 2: Convert to fraction form
    1,069,359,812.80/1,604,039,719.20 = 702,027,793.60/x
  3. Step 3: Cross multiply
    1,069,359,812.80x = 1,604,039,719.20 × 702,027,793.60
  4. Step 4: Simplify right side
    1,069,359,812.80x = 1,126,080,464,916,739,584
  5. Step 5: Solve for x
    x = 1,126,080,464,916,739,584/1,069,359,812.80
  6. Step 6: Final answer
    x = 1,053,041,690.40

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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.