Home / 524,489,356.18-723,797,623.32-289,541,947.28

Finding the Fourth Proportional to 524,489,356.18, 723,797,623.32 and 289,541,947.28

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Solution

The fourth proportional to 524,489,356.18, 723,797,623.32 and 289,541,947.28 is: 399,569,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,489,356.18 : 723,797,623.32 = 289,541,947.28 : x
  2. Step 2: Convert to fraction form
    524,489,356.18/723,797,623.32 = 289,541,947.28/x
  3. Step 3: Cross multiply
    524,489,356.18x = 723,797,623.32 × 289,541,947.28
  4. Step 4: Simplify right side
    524,489,356.18x = 209,569,773,292,708,736
  5. Step 5: Solve for x
    x = 209,569,773,292,708,736/524,489,356.18
  6. Step 6: Final answer
    x = 399,569,163.46

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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.