Home / 1,359,910,892.40-2,039,866,338.60-440,447,103.60

Finding the Fourth Proportional to 1,359,910,892.40, 2,039,866,338.60 and 440,447,103.60

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Solution

The fourth proportional to 1,359,910,892.40, 2,039,866,338.60 and 440,447,103.60 is: 660,670,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,910,892.40 : 2,039,866,338.60 = 440,447,103.60 : x
  2. Step 2: Convert to fraction form
    1,359,910,892.40/2,039,866,338.60 = 440,447,103.60/x
  3. Step 3: Cross multiply
    1,359,910,892.40x = 2,039,866,338.60 × 440,447,103.60
  4. Step 4: Simplify right side
    1,359,910,892.40x = 898,453,220,567,506,944
  5. Step 5: Solve for x
    x = 898,453,220,567,506,944/1,359,910,892.40
  6. Step 6: Final answer
    x = 660,670,655.40

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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.