Home / 679,914,500.20-1,019,871,750.30-531,961,325.80

Finding the Fourth Proportional to 679,914,500.20, 1,019,871,750.30 and 531,961,325.80

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Solution

The fourth proportional to 679,914,500.20, 1,019,871,750.30 and 531,961,325.80 is: 797,941,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,914,500.20 : 1,019,871,750.30 = 531,961,325.80 : x
  2. Step 2: Convert to fraction form
    679,914,500.20/1,019,871,750.30 = 531,961,325.80/x
  3. Step 3: Cross multiply
    679,914,500.20x = 1,019,871,750.30 × 531,961,325.80
  4. Step 4: Simplify right side
    679,914,500.20x = 542,532,328,435,554,560
  5. Step 5: Solve for x
    x = 542,532,328,435,554,560/679,914,500.20
  6. Step 6: Final answer
    x = 797,941,988.70

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1.5x scale

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.