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Finding the Fourth Proportional to 8,045,472,839.90, 12,068,209,259.85 and 8,045,472,839.90

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Solution

The fourth proportional to 8,045,472,839.90, 12,068,209,259.85 and 8,045,472,839.90 is: 12,068,209,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,472,839.90 : 12,068,209,259.85 = 8,045,472,839.90 : x
  2. Step 2: Convert to fraction form
    8,045,472,839.90/12,068,209,259.85 = 8,045,472,839.90/x
  3. Step 3: Cross multiply
    8,045,472,839.90x = 12,068,209,259.85 × 8,045,472,839.90
  4. Step 4: Simplify right side
    8,045,472,839.90x = 97,094,449,826,352,857,088
  5. Step 5: Solve for x
    x = 97,094,449,826,352,857,088/8,045,472,839.90
  6. Step 6: Final answer
    x = 12,068,209,259.85

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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.