Home / 580,859,999.40-871,289,999.10-449,346,066.60

Finding the Fourth Proportional to 580,859,999.40, 871,289,999.10 and 449,346,066.60

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Solution

The fourth proportional to 580,859,999.40, 871,289,999.10 and 449,346,066.60 is: 674,019,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,859,999.40 : 871,289,999.10 = 449,346,066.60 : x
  2. Step 2: Convert to fraction form
    580,859,999.40/871,289,999.10 = 449,346,066.60/x
  3. Step 3: Cross multiply
    580,859,999.40x = 871,289,999.10 × 449,346,066.60
  4. Step 4: Simplify right side
    580,859,999.40x = 391,510,733,963,502,592
  5. Step 5: Solve for x
    x = 391,510,733,963,502,592/580,859,999.40
  6. Step 6: Final answer
    x = 674,019,099.90

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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.