Home / 265,745,132.10-398,617,698.15-217,277,712.90

Finding the Fourth Proportional to 265,745,132.10, 398,617,698.15 and 217,277,712.90

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Solution

The fourth proportional to 265,745,132.10, 398,617,698.15 and 217,277,712.90 is: 325,916,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,745,132.10 : 398,617,698.15 = 217,277,712.90 : x
  2. Step 2: Convert to fraction form
    265,745,132.10/398,617,698.15 = 217,277,712.90/x
  3. Step 3: Cross multiply
    265,745,132.10x = 398,617,698.15 × 217,277,712.90
  4. Step 4: Simplify right side
    265,745,132.10x = 86,610,741,775,494,560
  5. Step 5: Solve for x
    x = 86,610,741,775,494,560/265,745,132.10
  6. Step 6: Final answer
    x = 325,916,569.35

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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.