Home / 497,047,843.26-685,774,024.38-288,162,302.22

Finding the Fourth Proportional to 497,047,843.26, 685,774,024.38 and 288,162,302.22

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Solution

The fourth proportional to 497,047,843.26, 685,774,024.38 and 288,162,302.22 is: 397,575,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,047,843.26 : 685,774,024.38 = 288,162,302.22 : x
  2. Step 2: Convert to fraction form
    497,047,843.26/685,774,024.38 = 288,162,302.22/x
  3. Step 3: Cross multiply
    497,047,843.26x = 685,774,024.38 × 288,162,302.22
  4. Step 4: Simplify right side
    497,047,843.26x = 197,614,221,668,015,232
  5. Step 5: Solve for x
    x = 197,614,221,668,015,232/497,047,843.26
  6. Step 6: Final answer
    x = 397,575,855.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.