Home / 9,544,986,145.63-13,172,489,133.91-5,315,897,356.12

Finding the Fourth Proportional to 9,544,986,145.63, 13,172,489,133.91 and 5,315,897,356.12

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Solution

The fourth proportional to 9,544,986,145.63, 13,172,489,133.91 and 5,315,897,356.12 is: 7,336,165,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,544,986,145.63 : 13,172,489,133.91 = 5,315,897,356.12 : x
  2. Step 2: Convert to fraction form
    9,544,986,145.63/13,172,489,133.91 = 5,315,897,356.12/x
  3. Step 3: Cross multiply
    9,544,986,145.63x = 13,172,489,133.91 × 5,315,897,356.12
  4. Step 4: Simplify right side
    9,544,986,145.63x = 70,023,600,160,468,819,968
  5. Step 5: Solve for x
    x = 70,023,600,160,468,819,968/9,544,986,145.63
  6. Step 6: Final answer
    x = 7,336,165,720.11

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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.