Home / 2,657,758,520.40-3,986,637,780.60-1,277,240,139.60

Finding the Fourth Proportional to 2,657,758,520.40, 3,986,637,780.60 and 1,277,240,139.60

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Solution

The fourth proportional to 2,657,758,520.40, 3,986,637,780.60 and 1,277,240,139.60 is: 1,915,860,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,758,520.40 : 3,986,637,780.60 = 1,277,240,139.60 : x
  2. Step 2: Convert to fraction form
    2,657,758,520.40/3,986,637,780.60 = 1,277,240,139.60/x
  3. Step 3: Cross multiply
    2,657,758,520.40x = 3,986,637,780.60 × 1,277,240,139.60
  4. Step 4: Simplify right side
    2,657,758,520.40x = 5,091,893,795,428,177,920
  5. Step 5: Solve for x
    x = 5,091,893,795,428,177,920/2,657,758,520.40
  6. Step 6: Final answer
    x = 1,915,860,209.40

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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.