Home / 414,989,662.80-622,484,494.20-127,775,326.80

Finding the Fourth Proportional to 414,989,662.80, 622,484,494.20 and 127,775,326.80

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Solution

The fourth proportional to 414,989,662.80, 622,484,494.20 and 127,775,326.80 is: 191,662,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,989,662.80 : 622,484,494.20 = 127,775,326.80 : x
  2. Step 2: Convert to fraction form
    414,989,662.80/622,484,494.20 = 127,775,326.80/x
  3. Step 3: Cross multiply
    414,989,662.80x = 622,484,494.20 × 127,775,326.80
  4. Step 4: Simplify right side
    414,989,662.80x = 79,538,159,674,337,712
  5. Step 5: Solve for x
    x = 79,538,159,674,337,712/414,989,662.80
  6. Step 6: Final answer
    x = 191,662,990.20

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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.