Home / 464,155,479.16-641,453,207.20-380,391,520.21

Finding the Fourth Proportional to 464,155,479.16, 641,453,207.20 and 380,391,520.21

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Solution

The fourth proportional to 464,155,479.16, 641,453,207.20 and 380,391,520.21 is: 525,693,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,155,479.16 : 641,453,207.20 = 380,391,520.21 : x
  2. Step 2: Convert to fraction form
    464,155,479.16/641,453,207.20 = 380,391,520.21/x
  3. Step 3: Cross multiply
    464,155,479.16x = 641,453,207.20 × 380,391,520.21
  4. Step 4: Simplify right side
    464,155,479.16x = 244,003,360,627,838,720
  5. Step 5: Solve for x
    x = 244,003,360,627,838,720/464,155,479.16
  6. Step 6: Final answer
    x = 525,693,160.13

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