Home / 770,914,877.32-1,156,417,172.17-218,171,065.24

Finding the Fourth Proportional to 770,914,877.32, 1,156,417,172.17 and 218,171,065.24

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Solution

The fourth proportional to 770,914,877.32, 1,156,417,172.17 and 218,171,065.24 is: 327,269,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,914,877.32 : 1,156,417,172.17 = 218,171,065.24 : x
  2. Step 2: Convert to fraction form
    770,914,877.32/1,156,417,172.17 = 218,171,065.24/x
  3. Step 3: Cross multiply
    770,914,877.32x = 1,156,417,172.17 × 218,171,065.24
  4. Step 4: Simplify right side
    770,914,877.32x = 252,296,766,314,157,408
  5. Step 5: Solve for x
    x = 252,296,766,314,157,408/770,914,877.32
  6. Step 6: Final answer
    x = 327,269,292.29

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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.