Home / 10,585,100,165.13-15,872,990,987.38-5,609,656,320.20

Finding the Fourth Proportional to 10,585,100,165.13, 15,872,990,987.38 and 5,609,656,320.20

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Solution

The fourth proportional to 10,585,100,165.13, 15,872,990,987.38 and 5,609,656,320.20 is: 8,412,015,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585,100,165.13 : 15,872,990,987.38 = 5,609,656,320.20 : x
  2. Step 2: Convert to fraction form
    10,585,100,165.13/15,872,990,987.38 = 5,609,656,320.20/x
  3. Step 3: Cross multiply
    10,585,100,165.13x = 15,872,990,987.38 × 5,609,656,320.20
  4. Step 4: Simplify right side
    10,585,100,165.13x = 89,042,024,212,754,481,152
  5. Step 5: Solve for x
    x = 89,042,024,212,754,481,152/10,585,100,165.13
  6. Step 6: Final answer
    x = 8,412,015,268.98

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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.