Home / 1,138,397,017.22-1,570,992,102.34-662,201,646.52

Finding the Fourth Proportional to 1,138,397,017.22, 1,570,992,102.34 and 662,201,646.52

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Solution

The fourth proportional to 1,138,397,017.22, 1,570,992,102.34 and 662,201,646.52 is: 913,840,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,397,017.22 : 1,570,992,102.34 = 662,201,646.52 : x
  2. Step 2: Convert to fraction form
    1,138,397,017.22/1,570,992,102.34 = 662,201,646.52/x
  3. Step 3: Cross multiply
    1,138,397,017.22x = 1,570,992,102.34 × 662,201,646.52
  4. Step 4: Simplify right side
    1,138,397,017.22x = 1,040,313,556,839,464,320
  5. Step 5: Solve for x
    x = 1,040,313,556,839,464,320/1,138,397,017.22
  6. Step 6: Final answer
    x = 913,840,726.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.