Home / 313,220,348.03-469,827,530.10-190,432,565.88

Finding the Fourth Proportional to 313,220,348.03, 469,827,530.10 and 190,432,565.88

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Solution

The fourth proportional to 313,220,348.03, 469,827,530.10 and 190,432,565.88 is: 285,647,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,220,348.03 : 469,827,530.10 = 190,432,565.88 : x
  2. Step 2: Convert to fraction form
    313,220,348.03/469,827,530.10 = 190,432,565.88/x
  3. Step 3: Cross multiply
    313,220,348.03x = 469,827,530.10 × 190,432,565.88
  4. Step 4: Simplify right side
    313,220,348.03x = 89,470,462,079,426,224
  5. Step 5: Solve for x
    x = 89,470,462,079,426,224/313,220,348.03
  6. Step 6: Final answer
    x = 285,647,029.78

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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.