Home / 513,144,171.69-708,723,540.77-347,844,763.05

Finding the Fourth Proportional to 513,144,171.69, 708,723,540.77 and 347,844,763.05

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Solution

The fourth proportional to 513,144,171.69, 708,723,540.77 and 347,844,763.05 is: 480,422,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,144,171.69 : 708,723,540.77 = 347,844,763.05 : x
  2. Step 2: Convert to fraction form
    513,144,171.69/708,723,540.77 = 347,844,763.05/x
  3. Step 3: Cross multiply
    513,144,171.69x = 708,723,540.77 × 347,844,763.05
  4. Step 4: Simplify right side
    513,144,171.69x = 246,525,772,105,358,432
  5. Step 5: Solve for x
    x = 246,525,772,105,358,432/513,144,171.69
  6. Step 6: Final answer
    x = 480,422,044.54

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Double scale
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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.