Home / 987,278,661.68-1,480,897,244.48-240,298,601.19

Finding the Fourth Proportional to 987,278,661.68, 1,480,897,244.48 and 240,298,601.19

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Solution

The fourth proportional to 987,278,661.68, 1,480,897,244.48 and 240,298,601.19 is: 360,442,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,278,661.68 : 1,480,897,244.48 = 240,298,601.19 : x
  2. Step 2: Convert to fraction form
    987,278,661.68/1,480,897,244.48 = 240,298,601.19/x
  3. Step 3: Cross multiply
    987,278,661.68x = 1,480,897,244.48 × 240,298,601.19
  4. Step 4: Simplify right side
    987,278,661.68x = 355,857,536,353,467,904
  5. Step 5: Solve for x
    x = 355,857,536,353,467,904/987,278,661.68
  6. Step 6: Final answer
    x = 360,442,851.82

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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.