Home / 391,032,924.20-587,176,074.30-310,920,079.40

Finding the Fourth Proportional to 391,032,924.20, 587,176,074.30 and 310,920,079.40

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Solution

The fourth proportional to 391,032,924.20, 587,176,074.30 and 310,920,079.40 is: 466,878,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,032,924.20 : 587,176,074.30 = 310,920,079.40 : x
  2. Step 2: Convert to fraction form
    391,032,924.20/587,176,074.30 = 310,920,079.40/x
  3. Step 3: Cross multiply
    391,032,924.20x = 587,176,074.30 × 310,920,079.40
  4. Step 4: Simplify right side
    391,032,924.20x = 182,564,831,643,136,256
  5. Step 5: Solve for x
    x = 182,564,831,643,136,256/391,032,924.20
  6. Step 6: Final answer
    x = 466,878,414.44

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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.