Home / 1,259,722,423.70-1,889,583,635.55-441,539,479.70

Finding the Fourth Proportional to 1,259,722,423.70, 1,889,583,635.55 and 441,539,479.70

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Solution

The fourth proportional to 1,259,722,423.70, 1,889,583,635.55 and 441,539,479.70 is: 662,309,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,722,423.70 : 1,889,583,635.55 = 441,539,479.70 : x
  2. Step 2: Convert to fraction form
    1,259,722,423.70/1,889,583,635.55 = 441,539,479.70/x
  3. Step 3: Cross multiply
    1,259,722,423.70x = 1,889,583,635.55 × 441,539,479.70
  4. Step 4: Simplify right side
    1,259,722,423.70x = 834,325,775,290,381,440
  5. Step 5: Solve for x
    x = 834,325,775,290,381,440/1,259,722,423.70
  6. Step 6: Final answer
    x = 662,309,219.55

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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.