Home / 780,194,726.38-1,170,113,006.28-465,149,899.54

Finding the Fourth Proportional to 780,194,726.38, 1,170,113,006.28 and 465,149,899.54

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Solution

The fourth proportional to 780,194,726.38, 1,170,113,006.28 and 465,149,899.54 is: 697,618,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,194,726.38 : 1,170,113,006.28 = 465,149,899.54 : x
  2. Step 2: Convert to fraction form
    780,194,726.38/1,170,113,006.28 = 465,149,899.54/x
  3. Step 3: Cross multiply
    780,194,726.38x = 1,170,113,006.28 × 465,149,899.54
  4. Step 4: Simplify right side
    780,194,726.38x = 544,277,947,321,589,376
  5. Step 5: Solve for x
    x = 544,277,947,321,589,376/780,194,726.38
  6. Step 6: Final answer
    x = 697,618,080.36

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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.