Home / 693,147,046.56-1,039,712,554.08-168,519,120.16

Finding the Fourth Proportional to 693,147,046.56, 1,039,712,554.08 and 168,519,120.16

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Solution

The fourth proportional to 693,147,046.56, 1,039,712,554.08 and 168,519,120.16 is: 252,776,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,147,046.56 : 1,039,712,554.08 = 168,519,120.16 : x
  2. Step 2: Convert to fraction form
    693,147,046.56/1,039,712,554.08 = 168,519,120.16/x
  3. Step 3: Cross multiply
    693,147,046.56x = 1,039,712,554.08 × 168,519,120.16
  4. Step 4: Simplify right side
    693,147,046.56x = 175,211,444,832,868,032
  5. Step 5: Solve for x
    x = 175,211,444,832,868,032/693,147,046.56
  6. Step 6: Final answer
    x = 252,776,731.43

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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.