Home / 977,131,785.60-1,465,910,254.80-321,971,320.80

Finding the Fourth Proportional to 977,131,785.60, 1,465,910,254.80 and 321,971,320.80

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Solution

The fourth proportional to 977,131,785.60, 1,465,910,254.80 and 321,971,320.80 is: 483,027,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,131,785.60 : 1,465,910,254.80 = 321,971,320.80 : x
  2. Step 2: Convert to fraction form
    977,131,785.60/1,465,910,254.80 = 321,971,320.80/x
  3. Step 3: Cross multiply
    977,131,785.60x = 1,465,910,254.80 × 321,971,320.80
  4. Step 4: Simplify right side
    977,131,785.60x = 471,981,060,912,220,544
  5. Step 5: Solve for x
    x = 471,981,060,912,220,544/977,131,785.60
  6. Step 6: Final answer
    x = 483,027,026.52

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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.