Home / 440,484,970.67-660,586,013.80-145,313,745.47

Finding the Fourth Proportional to 440,484,970.67, 660,586,013.80 and 145,313,745.47

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Solution

The fourth proportional to 440,484,970.67, 660,586,013.80 and 145,313,745.47 is: 217,923,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,484,970.67 : 660,586,013.80 = 145,313,745.47 : x
  2. Step 2: Convert to fraction form
    440,484,970.67/660,586,013.80 = 145,313,745.47/x
  3. Step 3: Cross multiply
    440,484,970.67x = 660,586,013.80 × 145,313,745.47
  4. Step 4: Simplify right side
    440,484,970.67x = 95,992,227,866,708,896
  5. Step 5: Solve for x
    x = 95,992,227,866,708,896/440,484,970.67
  6. Step 6: Final answer
    x = 217,923,957.14

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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.