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Finding the Fourth Proportional to 1,036,679,690.15, 1,555,019,535.23 and 1,036,679,690.15

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Solution

The fourth proportional to 1,036,679,690.15, 1,555,019,535.23 and 1,036,679,690.15 is: 1,555,019,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,679,690.15 : 1,555,019,535.23 = 1,036,679,690.15 : x
  2. Step 2: Convert to fraction form
    1,036,679,690.15/1,555,019,535.23 = 1,036,679,690.15/x
  3. Step 3: Cross multiply
    1,036,679,690.15x = 1,555,019,535.23 × 1,036,679,690.15
  4. Step 4: Simplify right side
    1,036,679,690.15x = 1,612,057,169,959,433,472
  5. Step 5: Solve for x
    x = 1,612,057,169,959,433,472/1,036,679,690.15
  6. Step 6: Final answer
    x = 1,555,019,535.23

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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.