Home / 475,077,187.68-712,440,990-164,105,665.44

Finding the Fourth Proportional to 475,077,187.68, 712,440,990 and 164,105,665.44

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Solution

The fourth proportional to 475,077,187.68, 712,440,990 and 164,105,665.44 is: 246,098,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,077,187.68 : 712,440,990 = 164,105,665.44 : x
  2. Step 2: Convert to fraction form
    475,077,187.68/712,440,990 = 164,105,665.44/x
  3. Step 3: Cross multiply
    475,077,187.68x = 712,440,990 × 164,105,665.44
  4. Step 4: Simplify right side
    475,077,187.68x = 116,915,602,750,682,384
  5. Step 5: Solve for x
    x = 116,915,602,750,682,384/475,077,187.68
  6. Step 6: Final answer
    x = 246,098,120.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.