Home / 317,560,344.54-438,280,671.51-193,872,725.34

Finding the Fourth Proportional to 317,560,344.54, 438,280,671.51 and 193,872,725.34

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Solution

The fourth proportional to 317,560,344.54, 438,280,671.51 and 193,872,725.34 is: 267,573,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,560,344.54 : 438,280,671.51 = 193,872,725.34 : x
  2. Step 2: Convert to fraction form
    317,560,344.54/438,280,671.51 = 193,872,725.34/x
  3. Step 3: Cross multiply
    317,560,344.54x = 438,280,671.51 × 193,872,725.34
  4. Step 4: Simplify right side
    317,560,344.54x = 84,970,668,249,488,992
  5. Step 5: Solve for x
    x = 84,970,668,249,488,992/317,560,344.54
  6. Step 6: Final answer
    x = 267,573,296.57

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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.