Home / 679,914,492.20-1,019,871,738.30-531,961,317.80

Finding the Fourth Proportional to 679,914,492.20, 1,019,871,738.30 and 531,961,317.80

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Solution

The fourth proportional to 679,914,492.20, 1,019,871,738.30 and 531,961,317.80 is: 797,941,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,914,492.20 : 1,019,871,738.30 = 531,961,317.80 : x
  2. Step 2: Convert to fraction form
    679,914,492.20/1,019,871,738.30 = 531,961,317.80/x
  3. Step 3: Cross multiply
    679,914,492.20x = 1,019,871,738.30 × 531,961,317.80
  4. Step 4: Simplify right side
    679,914,492.20x = 542,532,313,893,044,736
  5. Step 5: Solve for x
    x = 542,532,313,893,044,736/679,914,492.20
  6. Step 6: Final answer
    x = 797,941,976.70

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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.