Home / 987,532,401.03-1,481,627,890.44-656,843,097.57

Finding the Fourth Proportional to 987,532,401.03, 1,481,627,890.44 and 656,843,097.57

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Solution

The fourth proportional to 987,532,401.03, 1,481,627,890.44 and 656,843,097.57 is: 985,483,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,532,401.03 : 1,481,627,890.44 = 656,843,097.57 : x
  2. Step 2: Convert to fraction form
    987,532,401.03/1,481,627,890.44 = 656,843,097.57/x
  3. Step 3: Cross multiply
    987,532,401.03x = 1,481,627,890.44 × 656,843,097.57
  4. Step 4: Simplify right side
    987,532,401.03x = 973,197,053,002,714,368
  5. Step 5: Solve for x
    x = 973,197,053,002,714,368/987,532,401.03
  6. Step 6: Final answer
    x = 985,483,668.17

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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.