Home / 727,782,792.48-1,091,274,405.28-358,505,218.08

Finding the Fourth Proportional to 727,782,792.48, 1,091,274,405.28 and 358,505,218.08

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Solution

The fourth proportional to 727,782,792.48, 1,091,274,405.28 and 358,505,218.08 is: 537,560,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,782,792.48 : 1,091,274,405.28 = 358,505,218.08 : x
  2. Step 2: Convert to fraction form
    727,782,792.48/1,091,274,405.28 = 358,505,218.08/x
  3. Step 3: Cross multiply
    727,782,792.48x = 1,091,274,405.28 × 358,505,218.08
  4. Step 4: Simplify right side
    727,782,792.48x = 391,227,568,650,028,672
  5. Step 5: Solve for x
    x = 391,227,568,650,028,672/727,782,792.48
  6. Step 6: Final answer
    x = 537,560,894.12

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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.