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Finding the Fourth Proportional to 128,892,303,234.10, 193,338,454,851.15 and 128,892,303,234.10

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Solution

The fourth proportional to 128,892,303,234.10, 193,338,454,851.15 and 128,892,303,234.10 is: 193,338,454,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,892,303,234.10 : 193,338,454,851.15 = 128,892,303,234.10 : x
  2. Step 2: Convert to fraction form
    128,892,303,234.10/193,338,454,851.15 = 128,892,303,234.10/x
  3. Step 3: Cross multiply
    128,892,303,234.10x = 193,338,454,851.15 × 128,892,303,234.10
  4. Step 4: Simplify right side
    128,892,303,234.10x = 24,919,838,749,486,779,203,584
  5. Step 5: Solve for x
    x = 24,919,838,749,486,779,203,584/128,892,303,234.10
  6. Step 6: Final answer
    x = 193,338,454,851.15

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Double scale
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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.