Home / 330,870,743.20-496,306,114.80-310,463,408.80

Finding the Fourth Proportional to 330,870,743.20, 496,306,114.80 and 310,463,408.80

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Solution

The fourth proportional to 330,870,743.20, 496,306,114.80 and 310,463,408.80 is: 465,695,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,870,743.20 : 496,306,114.80 = 310,463,408.80 : x
  2. Step 2: Convert to fraction form
    330,870,743.20/496,306,114.80 = 310,463,408.80/x
  3. Step 3: Cross multiply
    330,870,743.20x = 496,306,114.80 × 310,463,408.80
  4. Step 4: Simplify right side
    330,870,743.20x = 154,084,888,209,092,128
  5. Step 5: Solve for x
    x = 154,084,888,209,092,128/330,870,743.20
  6. Step 6: Final answer
    x = 465,695,113.20

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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.