Home / 1,286,773,186.91-1,929,278,615.64-655,282,858.52

Finding the Fourth Proportional to 1,286,773,186.91, 1,929,278,615.64 and 655,282,858.52

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Solution

The fourth proportional to 1,286,773,186.91, 1,929,278,615.64 and 655,282,858.52 is: 982,475,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,773,186.91 : 1,929,278,615.64 = 655,282,858.52 : x
  2. Step 2: Convert to fraction form
    1,286,773,186.91/1,929,278,615.64 = 655,282,858.52/x
  3. Step 3: Cross multiply
    1,286,773,186.91x = 1,929,278,615.64 × 655,282,858.52
  4. Step 4: Simplify right side
    1,286,773,186.91x = 1,264,223,206,128,441,344
  5. Step 5: Solve for x
    x = 1,264,223,206,128,441,344/1,286,773,186.91
  6. Step 6: Final answer
    x = 982,475,559.01

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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.