Home / 414,720,139.20-622,080,208.80-232,973,246.40

Finding the Fourth Proportional to 414,720,139.20, 622,080,208.80 and 232,973,246.40

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Solution

The fourth proportional to 414,720,139.20, 622,080,208.80 and 232,973,246.40 is: 349,459,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,720,139.20 : 622,080,208.80 = 232,973,246.40 : x
  2. Step 2: Convert to fraction form
    414,720,139.20/622,080,208.80 = 232,973,246.40/x
  3. Step 3: Cross multiply
    414,720,139.20x = 622,080,208.80 × 232,973,246.40
  4. Step 4: Simplify right side
    414,720,139.20x = 144,928,045,765,325,856
  5. Step 5: Solve for x
    x = 144,928,045,765,325,856/414,720,139.20
  6. Step 6: Final answer
    x = 349,459,869.60

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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.