Home / 1,279,476,181.60-1,919,214,272.40-1,072,851,920.80

Finding the Fourth Proportional to 1,279,476,181.60, 1,919,214,272.40 and 1,072,851,920.80

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Solution

The fourth proportional to 1,279,476,181.60, 1,919,214,272.40 and 1,072,851,920.80 is: 1,609,277,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,476,181.60 : 1,919,214,272.40 = 1,072,851,920.80 : x
  2. Step 2: Convert to fraction form
    1,279,476,181.60/1,919,214,272.40 = 1,072,851,920.80/x
  3. Step 3: Cross multiply
    1,279,476,181.60x = 1,919,214,272.40 × 1,072,851,920.80
  4. Step 4: Simplify right side
    1,279,476,181.60x = 2,059,032,718,571,114,496
  5. Step 5: Solve for x
    x = 2,059,032,718,571,114,496/1,279,476,181.60
  6. Step 6: Final answer
    x = 1,609,277,881.20

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Double scale
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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.