Home / 679,914,475.20-1,019,871,712.80-531,961,300.80

Finding the Fourth Proportional to 679,914,475.20, 1,019,871,712.80 and 531,961,300.80

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Solution

The fourth proportional to 679,914,475.20, 1,019,871,712.80 and 531,961,300.80 is: 797,941,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,914,475.20 : 1,019,871,712.80 = 531,961,300.80 : x
  2. Step 2: Convert to fraction form
    679,914,475.20/1,019,871,712.80 = 531,961,300.80/x
  3. Step 3: Cross multiply
    679,914,475.20x = 1,019,871,712.80 × 531,961,300.80
  4. Step 4: Simplify right side
    679,914,475.20x = 542,532,282,990,211,968
  5. Step 5: Solve for x
    x = 542,532,282,990,211,968/679,914,475.20
  6. Step 6: Final answer
    x = 797,941,951.20

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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.