Home / 440,124,400.80-660,186,601.20-310,984,237.80

Finding the Fourth Proportional to 440,124,400.80, 660,186,601.20 and 310,984,237.80

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Solution

The fourth proportional to 440,124,400.80, 660,186,601.20 and 310,984,237.80 is: 466,476,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,124,400.80 : 660,186,601.20 = 310,984,237.80 : x
  2. Step 2: Convert to fraction form
    440,124,400.80/660,186,601.20 = 310,984,237.80/x
  3. Step 3: Cross multiply
    440,124,400.80x = 660,186,601.20 × 310,984,237.80
  4. Step 4: Simplify right side
    440,124,400.80x = 205,307,626,979,954,592
  5. Step 5: Solve for x
    x = 205,307,626,979,954,592/440,124,400.80
  6. Step 6: Final answer
    x = 466,476,356.70

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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.