Home / 561,087,503.40-841,650,500.70-172,907,250.60

Finding the Fourth Proportional to 561,087,503.40, 841,650,500.70 and 172,907,250.60

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Solution

The fourth proportional to 561,087,503.40, 841,650,500.70 and 172,907,250.60 is: 259,366,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,087,503.40 : 841,650,500.70 = 172,907,250.60 : x
  2. Step 2: Convert to fraction form
    561,087,503.40/841,650,500.70 = 172,907,250.60/x
  3. Step 3: Cross multiply
    561,087,503.40x = 841,650,500.70 × 172,907,250.60
  4. Step 4: Simplify right side
    561,087,503.40x = 145,527,474,042,150,368
  5. Step 5: Solve for x
    x = 145,527,474,042,150,368/561,087,503.40
  6. Step 6: Final answer
    x = 259,366,806.71

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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.