Home / 1,244,642,000.20-1,866,963,000.30-969,142,985.80

Finding the Fourth Proportional to 1,244,642,000.20, 1,866,963,000.30 and 969,142,985.80

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Solution

The fourth proportional to 1,244,642,000.20, 1,866,963,000.30 and 969,142,985.80 is: 1,453,714,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,642,000.20 : 1,866,963,000.30 = 969,142,985.80 : x
  2. Step 2: Convert to fraction form
    1,244,642,000.20/1,866,963,000.30 = 969,142,985.80/x
  3. Step 3: Cross multiply
    1,244,642,000.20x = 1,866,963,000.30 × 969,142,985.80
  4. Step 4: Simplify right side
    1,244,642,000.20x = 1,809,354,096,488,868,096
  5. Step 5: Solve for x
    x = 1,809,354,096,488,868,096/1,244,642,000.20
  6. Step 6: Final answer
    x = 1,453,714,478.70

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Double scale
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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.