Home / 414,989,686.80-622,484,530.20-127,775,350.80

Finding the Fourth Proportional to 414,989,686.80, 622,484,530.20 and 127,775,350.80

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Solution

The fourth proportional to 414,989,686.80, 622,484,530.20 and 127,775,350.80 is: 191,663,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,989,686.80 : 622,484,530.20 = 127,775,350.80 : x
  2. Step 2: Convert to fraction form
    414,989,686.80/622,484,530.20 = 127,775,350.80/x
  3. Step 3: Cross multiply
    414,989,686.80x = 622,484,530.20 × 127,775,350.80
  4. Step 4: Simplify right side
    414,989,686.80x = 79,538,179,213,878,192
  5. Step 5: Solve for x
    x = 79,538,179,213,878,192/414,989,686.80
  6. Step 6: Final answer
    x = 191,663,026.20

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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.