Home / 783,134,501.20-1,174,701,751.80-655,732,517.20

Finding the Fourth Proportional to 783,134,501.20, 1,174,701,751.80 and 655,732,517.20

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Solution

The fourth proportional to 783,134,501.20, 1,174,701,751.80 and 655,732,517.20 is: 983,598,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,134,501.20 : 1,174,701,751.80 = 655,732,517.20 : x
  2. Step 2: Convert to fraction form
    783,134,501.20/1,174,701,751.80 = 655,732,517.20/x
  3. Step 3: Cross multiply
    783,134,501.20x = 1,174,701,751.80 × 655,732,517.20
  4. Step 4: Simplify right side
    783,134,501.20x = 770,290,136,667,063,680
  5. Step 5: Solve for x
    x = 770,290,136,667,063,680/783,134,501.20
  6. Step 6: Final answer
    x = 983,598,775.80

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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.