Home / 761,463,616.80-1,142,195,425.20-187,034,944.80

Finding the Fourth Proportional to 761,463,616.80, 1,142,195,425.20 and 187,034,944.80

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Solution

The fourth proportional to 761,463,616.80, 1,142,195,425.20 and 187,034,944.80 is: 280,552,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,463,616.80 : 1,142,195,425.20 = 187,034,944.80 : x
  2. Step 2: Convert to fraction form
    761,463,616.80/1,142,195,425.20 = 187,034,944.80/x
  3. Step 3: Cross multiply
    761,463,616.80x = 1,142,195,425.20 × 187,034,944.80
  4. Step 4: Simplify right side
    761,463,616.80x = 213,630,458,303,094,560
  5. Step 5: Solve for x
    x = 213,630,458,303,094,560/761,463,616.80
  6. Step 6: Final answer
    x = 280,552,417.20

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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.