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Finding the Fourth Proportional to 2,691,000,000.79, 4,036,500,001.18 and 2,691,000,000.79

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Solution

The fourth proportional to 2,691,000,000.79, 4,036,500,001.18 and 2,691,000,000.79 is: 4,036,500,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,000,000.79 : 4,036,500,001.18 = 2,691,000,000.79 : x
  2. Step 2: Convert to fraction form
    2,691,000,000.79/4,036,500,001.18 = 2,691,000,000.79/x
  3. Step 3: Cross multiply
    2,691,000,000.79x = 4,036,500,001.18 × 2,691,000,000.79
  4. Step 4: Simplify right side
    2,691,000,000.79x = 10,862,221,506,357,352,448
  5. Step 5: Solve for x
    x = 10,862,221,506,357,352,448/2,691,000,000.79
  6. Step 6: Final answer
    x = 4,036,500,001.18

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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.