Home / 1,709,278,510.20-2,563,917,765.30-1,691,138,657.40

Finding the Fourth Proportional to 1,709,278,510.20, 2,563,917,765.30 and 1,691,138,657.40

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Solution

The fourth proportional to 1,709,278,510.20, 2,563,917,765.30 and 1,691,138,657.40 is: 2,536,707,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,278,510.20 : 2,563,917,765.30 = 1,691,138,657.40 : x
  2. Step 2: Convert to fraction form
    1,709,278,510.20/2,563,917,765.30 = 1,691,138,657.40/x
  3. Step 3: Cross multiply
    1,709,278,510.20x = 2,563,917,765.30 × 1,691,138,657.40
  4. Step 4: Simplify right side
    1,709,278,510.20x = 4,335,940,447,293,450,752
  5. Step 5: Solve for x
    x = 4,335,940,447,293,450,752/1,709,278,510.20
  6. Step 6: Final answer
    x = 2,536,707,986.10

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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.