Home / 1,394,165,354.40-2,091,248,031.60-1,243,671,760.80

Finding the Fourth Proportional to 1,394,165,354.40, 2,091,248,031.60 and 1,243,671,760.80

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Solution

The fourth proportional to 1,394,165,354.40, 2,091,248,031.60 and 1,243,671,760.80 is: 1,865,507,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,165,354.40 : 2,091,248,031.60 = 1,243,671,760.80 : x
  2. Step 2: Convert to fraction form
    1,394,165,354.40/2,091,248,031.60 = 1,243,671,760.80/x
  3. Step 3: Cross multiply
    1,394,165,354.40x = 2,091,248,031.60 × 1,243,671,760.80
  4. Step 4: Simplify right side
    1,394,165,354.40x = 2,600,826,121,729,505,792
  5. Step 5: Solve for x
    x = 2,600,826,121,729,505,792/1,394,165,354.40
  6. Step 6: Final answer
    x = 1,865,507,641.20

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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.