Home / 484,792,687.80-727,291,286.10-157,242,762.36

Finding the Fourth Proportional to 484,792,687.80, 727,291,286.10 and 157,242,762.36

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Solution

The fourth proportional to 484,792,687.80, 727,291,286.10 and 157,242,762.36 is: 235,897,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,792,687.80 : 727,291,286.10 = 157,242,762.36 : x
  2. Step 2: Convert to fraction form
    484,792,687.80/727,291,286.10 = 157,242,762.36/x
  3. Step 3: Cross multiply
    484,792,687.80x = 727,291,286.10 × 157,242,762.36
  4. Step 4: Simplify right side
    484,792,687.80x = 114,361,290,866,721,088
  5. Step 5: Solve for x
    x = 114,361,290,866,721,088/484,792,687.80
  6. Step 6: Final answer
    x = 235,897,309.81

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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.