Home / 927,328,017.20-1,390,992,025.80-655,230,225.20

Finding the Fourth Proportional to 927,328,017.20, 1,390,992,025.80 and 655,230,225.20

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Solution

The fourth proportional to 927,328,017.20, 1,390,992,025.80 and 655,230,225.20 is: 982,845,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,328,017.20 : 1,390,992,025.80 = 655,230,225.20 : x
  2. Step 2: Convert to fraction form
    927,328,017.20/1,390,992,025.80 = 655,230,225.20/x
  3. Step 3: Cross multiply
    927,328,017.20x = 1,390,992,025.80 × 655,230,225.20
  4. Step 4: Simplify right side
    927,328,017.20x = 911,420,018,316,338,304
  5. Step 5: Solve for x
    x = 911,420,018,316,338,304/927,328,017.20
  6. Step 6: Final answer
    x = 982,845,337.80

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Double scale
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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.