Home / 519,117,546.27-716,336,819.23-307,386,392.61

Finding the Fourth Proportional to 519,117,546.27, 716,336,819.23 and 307,386,392.61

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Solution

The fourth proportional to 519,117,546.27, 716,336,819.23 and 307,386,392.61 is: 424,166,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,117,546.27 : 716,336,819.23 = 307,386,392.61 : x
  2. Step 2: Convert to fraction form
    519,117,546.27/716,336,819.23 = 307,386,392.61/x
  3. Step 3: Cross multiply
    519,117,546.27x = 716,336,819.23 × 307,386,392.61
  4. Step 4: Simplify right side
    519,117,546.27x = 220,192,190,756,831,392
  5. Step 5: Solve for x
    x = 220,192,190,756,831,392/519,117,546.27
  6. Step 6: Final answer
    x = 424,166,342.17

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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.