Home / 710,006,670.27-979,790,408.01-396,743,458.41

Finding the Fourth Proportional to 710,006,670.27, 979,790,408.01 and 396,743,458.41

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Solution

The fourth proportional to 710,006,670.27, 979,790,408.01 and 396,743,458.41 is: 547,495,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,006,670.27 : 979,790,408.01 = 396,743,458.41 : x
  2. Step 2: Convert to fraction form
    710,006,670.27/979,790,408.01 = 396,743,458.41/x
  3. Step 3: Cross multiply
    710,006,670.27x = 979,790,408.01 × 396,743,458.41
  4. Step 4: Simplify right side
    710,006,670.27x = 388,725,434,990,832,384
  5. Step 5: Solve for x
    x = 388,725,434,990,832,384/710,006,670.27
  6. Step 6: Final answer
    x = 547,495,469.08

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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.