Home / 693,065,042.10-1,039,587,512.67-168,438,034.26

Finding the Fourth Proportional to 693,065,042.10, 1,039,587,512.67 and 168,438,034.26

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Solution

The fourth proportional to 693,065,042.10, 1,039,587,512.67 and 168,438,034.26 is: 252,654,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,065,042.10 : 1,039,587,512.67 = 168,438,034.26 : x
  2. Step 2: Convert to fraction form
    693,065,042.10/1,039,587,512.67 = 168,438,034.26/x
  3. Step 3: Cross multiply
    693,065,042.10x = 1,039,587,512.67 × 168,438,034.26
  4. Step 4: Simplify right side
    693,065,042.10x = 175,106,077,075,377,632
  5. Step 5: Solve for x
    x = 175,106,077,075,377,632/693,065,042.10
  6. Step 6: Final answer
    x = 252,654,608.79

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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.