Home / 1,279,476,006.60-1,919,214,009.90-1,047,023,713.20

Finding the Fourth Proportional to 1,279,476,006.60, 1,919,214,009.90 and 1,047,023,713.20

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Solution

The fourth proportional to 1,279,476,006.60, 1,919,214,009.90 and 1,047,023,713.20 is: 1,570,535,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,476,006.60 : 1,919,214,009.90 = 1,047,023,713.20 : x
  2. Step 2: Convert to fraction form
    1,279,476,006.60/1,919,214,009.90 = 1,047,023,713.20/x
  3. Step 3: Cross multiply
    1,279,476,006.60x = 1,919,214,009.90 × 1,047,023,713.20
  4. Step 4: Simplify right side
    1,279,476,006.60x = 2,009,462,579,070,959,872
  5. Step 5: Solve for x
    x = 2,009,462,579,070,959,872/1,279,476,006.60
  6. Step 6: Final answer
    x = 1,570,535,569.80

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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.