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Finding the Fourth Proportional to 40,815,879,427.60, 61,127,073,259.80 and 40,815,879,427.60

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Solution

The fourth proportional to 40,815,879,427.60, 61,127,073,259.80 and 40,815,879,427.60 is: 61,127,073,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815,879,427.60 : 61,127,073,259.80 = 40,815,879,427.60 : x
  2. Step 2: Convert to fraction form
    40,815,879,427.60/61,127,073,259.80 = 40,815,879,427.60/x
  3. Step 3: Cross multiply
    40,815,879,427.60x = 61,127,073,259.80 × 40,815,879,427.60
  4. Step 4: Simplify right side
    40,815,879,427.60x = 2,494,955,251,934,068,998,144
  5. Step 5: Solve for x
    x = 2,494,955,251,934,068,998,144/40,815,879,427.60
  6. Step 6: Final answer
    x = 61,127,073,259.80

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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.