Home / 682,517,913,723.76-941,889,940,091.52-389,536,959,721.72

Finding the Fourth Proportional to 682,517,913,723.76, 941,889,940,091.52 and 389,536,959,721.72

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Solution

The fourth proportional to 682,517,913,723.76, 941,889,940,091.52 and 389,536,959,721.72 is: 537,569,690,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,517,913,723.76 : 941,889,940,091.52 = 389,536,959,721.72 : x
  2. Step 2: Convert to fraction form
    682,517,913,723.76/941,889,940,091.52 = 389,536,959,721.72/x
  3. Step 3: Cross multiply
    682,517,913,723.76x = 941,889,940,091.52 × 389,536,959,721.72
  4. Step 4: Simplify right side
    682,517,913,723.76x = 366,900,943,655,723,671,224,320
  5. Step 5: Solve for x
    x = 366,900,943,655,723,671,224,320/682,517,913,723.76
  6. Step 6: Final answer
    x = 537,569,690,521.30

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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.