Home / 524,505,885.50-723,799,110.48-289,551,489.14

Finding the Fourth Proportional to 524,505,885.50, 723,799,110.48 and 289,551,489.14

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Solution

The fourth proportional to 524,505,885.50, 723,799,110.48 and 289,551,489.14 is: 399,570,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,505,885.50 : 723,799,110.48 = 289,551,489.14 : x
  2. Step 2: Convert to fraction form
    524,505,885.50/723,799,110.48 = 289,551,489.14/x
  3. Step 3: Cross multiply
    524,505,885.50x = 723,799,110.48 × 289,551,489.14
  4. Step 4: Simplify right side
    524,505,885.50x = 209,577,110,277,691,360
  5. Step 5: Solve for x
    x = 209,577,110,277,691,360/524,505,885.50
  6. Step 6: Final answer
    x = 399,570,559.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.