Home / 484,792,686.30-727,291,283.85-157,242,760.86

Finding the Fourth Proportional to 484,792,686.30, 727,291,283.85 and 157,242,760.86

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Solution

The fourth proportional to 484,792,686.30, 727,291,283.85 and 157,242,760.86 is: 235,897,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,792,686.30 : 727,291,283.85 = 157,242,760.86 : x
  2. Step 2: Convert to fraction form
    484,792,686.30/727,291,283.85 = 157,242,760.86/x
  3. Step 3: Cross multiply
    484,792,686.30x = 727,291,283.85 × 157,242,760.86
  4. Step 4: Simplify right side
    484,792,686.30x = 114,361,289,421,987,952
  5. Step 5: Solve for x
    x = 114,361,289,421,987,952/484,792,686.30
  6. Step 6: Final answer
    x = 235,897,307.56

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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.