Home / 5,228,278,696.65-7,843,956,707.87-1,686,953,700.78

Finding the Fourth Proportional to 5,228,278,696.65, 7,843,956,707.87 and 1,686,953,700.78

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Solution

The fourth proportional to 5,228,278,696.65, 7,843,956,707.87 and 1,686,953,700.78 is: 2,530,927,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,278,696.65 : 7,843,956,707.87 = 1,686,953,700.78 : x
  2. Step 2: Convert to fraction form
    5,228,278,696.65/7,843,956,707.87 = 1,686,953,700.78/x
  3. Step 3: Cross multiply
    5,228,278,696.65x = 7,843,956,707.87 × 1,686,953,700.78
  4. Step 4: Simplify right side
    5,228,278,696.65x = 13,232,391,797,061,160,960
  5. Step 5: Solve for x
    x = 13,232,391,797,061,160,960/5,228,278,696.65
  6. Step 6: Final answer
    x = 2,530,927,015.34

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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.