Home / 891,172,364.43-1,336,767,739.61-269,392,702.35

Finding the Fourth Proportional to 891,172,364.43, 1,336,767,739.61 and 269,392,702.35

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Solution

The fourth proportional to 891,172,364.43, 1,336,767,739.61 and 269,392,702.35 is: 404,091,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,172,364.43 : 1,336,767,739.61 = 269,392,702.35 : x
  2. Step 2: Convert to fraction form
    891,172,364.43/1,336,767,739.61 = 269,392,702.35/x
  3. Step 3: Cross multiply
    891,172,364.43x = 1,336,767,739.61 × 269,392,702.35
  4. Step 4: Simplify right side
    891,172,364.43x = 360,115,473,786,492,096
  5. Step 5: Solve for x
    x = 360,115,473,786,492,096/891,172,364.43
  6. Step 6: Final answer
    x = 404,091,832.47

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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.