Home / 1,379,308,819.80-2,068,963,229.70-1,229,655,034.20

Finding the Fourth Proportional to 1,379,308,819.80, 2,068,963,229.70 and 1,229,655,034.20

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Solution

The fourth proportional to 1,379,308,819.80, 2,068,963,229.70 and 1,229,655,034.20 is: 1,844,482,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,308,819.80 : 2,068,963,229.70 = 1,229,655,034.20 : x
  2. Step 2: Convert to fraction form
    1,379,308,819.80/2,068,963,229.70 = 1,229,655,034.20/x
  3. Step 3: Cross multiply
    1,379,308,819.80x = 2,068,963,229.70 × 1,229,655,034.20
  4. Step 4: Simplify right side
    1,379,308,819.80x = 2,544,111,050,975,296,000
  5. Step 5: Solve for x
    x = 2,544,111,050,975,296,000/1,379,308,819.80
  6. Step 6: Final answer
    x = 1,844,482,551.30

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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.