Home / 891,121,636.54-1,336,680,617.74-502,768,173.34

Finding the Fourth Proportional to 891,121,636.54, 1,336,680,617.74 and 502,768,173.34

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Solution

The fourth proportional to 891,121,636.54, 1,336,680,617.74 and 502,768,173.34 is: 754,151,223.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,121,636.54 : 1,336,680,617.74 = 502,768,173.34 : x
  2. Step 2: Convert to fraction form
    891,121,636.54/1,336,680,617.74 = 502,768,173.34/x
  3. Step 3: Cross multiply
    891,121,636.54x = 1,336,680,617.74 × 502,768,173.34
  4. Step 4: Simplify right side
    891,121,636.54x = 672,040,472,522,104,320
  5. Step 5: Solve for x
    x = 672,040,472,522,104,320/891,121,636.54
  6. Step 6: Final answer
    x = 754,151,223.54

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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.