Home / 456,876,391.62-630,486,034.98-248,027,164.50

Finding the Fourth Proportional to 456,876,391.62, 630,486,034.98 and 248,027,164.50

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Solution

The fourth proportional to 456,876,391.62, 630,486,034.98 and 248,027,164.50 is: 342,275,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,876,391.62 : 630,486,034.98 = 248,027,164.50 : x
  2. Step 2: Convert to fraction form
    456,876,391.62/630,486,034.98 = 248,027,164.50/x
  3. Step 3: Cross multiply
    456,876,391.62x = 630,486,034.98 × 248,027,164.50
  4. Step 4: Simplify right side
    456,876,391.62x = 156,377,663,512,937,216
  5. Step 5: Solve for x
    x = 156,377,663,512,937,216/456,876,391.62
  6. Step 6: Final answer
    x = 342,275,649.13

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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.