Home / 484,922,145.60-727,383,218.40-139,887,028.80

Finding the Fourth Proportional to 484,922,145.60, 727,383,218.40 and 139,887,028.80

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Solution

The fourth proportional to 484,922,145.60, 727,383,218.40 and 139,887,028.80 is: 209,830,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,922,145.60 : 727,383,218.40 = 139,887,028.80 : x
  2. Step 2: Convert to fraction form
    484,922,145.60/727,383,218.40 = 139,887,028.80/x
  3. Step 3: Cross multiply
    484,922,145.60x = 727,383,218.40 × 139,887,028.80
  4. Step 4: Simplify right side
    484,922,145.60x = 101,751,477,220,957,488
  5. Step 5: Solve for x
    x = 101,751,477,220,957,488/484,922,145.60
  6. Step 6: Final answer
    x = 209,830,543.20

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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.