Home / 892,025,115.20-1,338,037,672.80-662,442,603.20

Finding the Fourth Proportional to 892,025,115.20, 1,338,037,672.80 and 662,442,603.20

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Solution

The fourth proportional to 892,025,115.20, 1,338,037,672.80 and 662,442,603.20 is: 993,663,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,025,115.20 : 1,338,037,672.80 = 662,442,603.20 : x
  2. Step 2: Convert to fraction form
    892,025,115.20/1,338,037,672.80 = 662,442,603.20/x
  3. Step 3: Cross multiply
    892,025,115.20x = 1,338,037,672.80 × 662,442,603.20
  4. Step 4: Simplify right side
    892,025,115.20x = 886,373,159,149,301,888
  5. Step 5: Solve for x
    x = 886,373,159,149,301,888/892,025,115.20
  6. Step 6: Final answer
    x = 993,663,904.80

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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.