Home / 927,328,015.20-1,390,992,022.80-655,230,223.20

Finding the Fourth Proportional to 927,328,015.20, 1,390,992,022.80 and 655,230,223.20

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Solution

The fourth proportional to 927,328,015.20, 1,390,992,022.80 and 655,230,223.20 is: 982,845,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,328,015.20 : 1,390,992,022.80 = 655,230,223.20 : x
  2. Step 2: Convert to fraction form
    927,328,015.20/1,390,992,022.80 = 655,230,223.20/x
  3. Step 3: Cross multiply
    927,328,015.20x = 1,390,992,022.80 × 655,230,223.20
  4. Step 4: Simplify right side
    927,328,015.20x = 911,420,013,568,663,552
  5. Step 5: Solve for x
    x = 911,420,013,568,663,552/927,328,015.20
  6. Step 6: Final answer
    x = 982,845,334.80

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Similar ratio
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1.5x scale

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.