Home / 510,984,010.20-766,476,015.30-295,321,315.80

Finding the Fourth Proportional to 510,984,010.20, 766,476,015.30 and 295,321,315.80

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Solution

The fourth proportional to 510,984,010.20, 766,476,015.30 and 295,321,315.80 is: 442,981,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,984,010.20 : 766,476,015.30 = 295,321,315.80 : x
  2. Step 2: Convert to fraction form
    510,984,010.20/766,476,015.30 = 295,321,315.80/x
  3. Step 3: Cross multiply
    510,984,010.20x = 766,476,015.30 × 295,321,315.80
  4. Step 4: Simplify right side
    510,984,010.20x = 226,356,705,367,536,928
  5. Step 5: Solve for x
    x = 226,356,705,367,536,928/510,984,010.20
  6. Step 6: Final answer
    x = 442,981,973.70

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1.5x scale

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.