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Finding the Fourth Proportional to 2,071,887,241.20, 3,107,830,861.80 and 2,071,887,241.20

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Solution

The fourth proportional to 2,071,887,241.20, 3,107,830,861.80 and 2,071,887,241.20 is: 3,107,830,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,887,241.20 : 3,107,830,861.80 = 2,071,887,241.20 : x
  2. Step 2: Convert to fraction form
    2,071,887,241.20/3,107,830,861.80 = 2,071,887,241.20/x
  3. Step 3: Cross multiply
    2,071,887,241.20x = 3,107,830,861.80 × 2,071,887,241.20
  4. Step 4: Simplify right side
    2,071,887,241.20x = 6,439,075,110,371,020,800
  5. Step 5: Solve for x
    x = 6,439,075,110,371,020,800/2,071,887,241.20
  6. Step 6: Final answer
    x = 3,107,830,861.80

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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.