Home / 2,479,352,170.77-3,421,747,671.39-1,851,730,978.59

Finding the Fourth Proportional to 2,479,352,170.77, 3,421,747,671.39 and 1,851,730,978.59

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Solution

The fourth proportional to 2,479,352,170.77, 3,421,747,671.39 and 1,851,730,978.59 is: 2,555,569,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,352,170.77 : 3,421,747,671.39 = 1,851,730,978.59 : x
  2. Step 2: Convert to fraction form
    2,479,352,170.77/3,421,747,671.39 = 1,851,730,978.59/x
  3. Step 3: Cross multiply
    2,479,352,170.77x = 3,421,747,671.39 × 1,851,730,978.59
  4. Step 4: Simplify right side
    2,479,352,170.77x = 6,336,156,164,031,057,920
  5. Step 5: Solve for x
    x = 6,336,156,164,031,057,920/2,479,352,170.77
  6. Step 6: Final answer
    x = 2,555,569,248.58

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Double scale
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1.5x scale

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.