Home / 524,505,849.50-723,799,060.80-289,551,453.14

Finding the Fourth Proportional to 524,505,849.50, 723,799,060.80 and 289,551,453.14

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Solution

The fourth proportional to 524,505,849.50, 723,799,060.80 and 289,551,453.14 is: 399,570,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,505,849.50 : 723,799,060.80 = 289,551,453.14 : x
  2. Step 2: Convert to fraction form
    524,505,849.50/723,799,060.80 = 289,551,453.14/x
  3. Step 3: Cross multiply
    524,505,849.50x = 723,799,060.80 × 289,551,453.14
  4. Step 4: Simplify right side
    524,505,849.50x = 209,577,069,836,007,200
  5. Step 5: Solve for x
    x = 209,577,069,836,007,200/524,505,849.50
  6. Step 6: Final answer
    x = 399,570,510.10

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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.