Home / 1,047,329,087.72-1,571,376,701.46-487,357,982.62

Finding the Fourth Proportional to 1,047,329,087.72, 1,571,376,701.46 and 487,357,982.62

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Solution

The fourth proportional to 1,047,329,087.72, 1,571,376,701.46 and 487,357,982.62 is: 731,215,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,329,087.72 : 1,571,376,701.46 = 487,357,982.62 : x
  2. Step 2: Convert to fraction form
    1,047,329,087.72/1,571,376,701.46 = 487,357,982.62/x
  3. Step 3: Cross multiply
    1,047,329,087.72x = 1,571,376,701.46 × 487,357,982.62
  4. Step 4: Simplify right side
    1,047,329,087.72x = 765,822,979,159,615,616
  5. Step 5: Solve for x
    x = 765,822,979,159,615,616/1,047,329,087.72
  6. Step 6: Final answer
    x = 731,215,229.42

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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.