Home / 1,279,476,104.60-1,919,214,156.90-1,072,851,843.80

Finding the Fourth Proportional to 1,279,476,104.60, 1,919,214,156.90 and 1,072,851,843.80

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Solution

The fourth proportional to 1,279,476,104.60, 1,919,214,156.90 and 1,072,851,843.80 is: 1,609,277,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,476,104.60 : 1,919,214,156.90 = 1,072,851,843.80 : x
  2. Step 2: Convert to fraction form
    1,279,476,104.60/1,919,214,156.90 = 1,072,851,843.80/x
  3. Step 3: Cross multiply
    1,279,476,104.60x = 1,919,214,156.90 × 1,072,851,843.80
  4. Step 4: Simplify right side
    1,279,476,104.60x = 2,059,032,446,877,227,520
  5. Step 5: Solve for x
    x = 2,059,032,446,877,227,520/1,279,476,104.60
  6. Step 6: Final answer
    x = 1,609,277,765.70

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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.