Home / 723,282,182.40-998,117,651.52-393,265,632

Finding the Fourth Proportional to 723,282,182.40, 998,117,651.52 and 393,265,632

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Solution

The fourth proportional to 723,282,182.40, 998,117,651.52 and 393,265,632 is: 542,700,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,282,182.40 : 998,117,651.52 = 393,265,632 : x
  2. Step 2: Convert to fraction form
    723,282,182.40/998,117,651.52 = 393,265,632/x
  3. Step 3: Cross multiply
    723,282,182.40x = 998,117,651.52 × 393,265,632
  4. Step 4: Simplify right side
    723,282,182.40x = 392,525,369,035,368,576
  5. Step 5: Solve for x
    x = 392,525,369,035,368,576/723,282,182.40
  6. Step 6: Final answer
    x = 542,700,177.87

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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.