Home / 641,466,594.20-885,223,863.78-348,111,162.20

Finding the Fourth Proportional to 641,466,594.20, 885,223,863.78 and 348,111,162.20

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Solution

The fourth proportional to 641,466,594.20, 885,223,863.78 and 348,111,162.20 is: 480,393,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,466,594.20 : 885,223,863.78 = 348,111,162.20 : x
  2. Step 2: Convert to fraction form
    641,466,594.20/885,223,863.78 = 348,111,162.20/x
  3. Step 3: Cross multiply
    641,466,594.20x = 885,223,863.78 × 348,111,162.20
  4. Step 4: Simplify right side
    641,466,594.20x = 308,156,308,027,630,272
  5. Step 5: Solve for x
    x = 308,156,308,027,630,272/641,466,594.20
  6. Step 6: Final answer
    x = 480,393,384.18

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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.