Home / 487,619,359.80-732,623,433.30-366,687,007.80

Finding the Fourth Proportional to 487,619,359.80, 732,623,433.30 and 366,687,007.80

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Solution

The fourth proportional to 487,619,359.80, 732,623,433.30 and 366,687,007.80 is: 550,928,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,619,359.80 : 732,623,433.30 = 366,687,007.80 : x
  2. Step 2: Convert to fraction form
    487,619,359.80/732,623,433.30 = 366,687,007.80/x
  3. Step 3: Cross multiply
    487,619,359.80x = 732,623,433.30 × 366,687,007.80
  4. Step 4: Simplify right side
    487,619,359.80x = 268,643,494,600,939,872
  5. Step 5: Solve for x
    x = 268,643,494,600,939,872/487,619,359.80
  6. Step 6: Final answer
    x = 550,928,688.95

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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.