Home / 414,736,000.90-622,104,001.35-142,016,128.90

Finding the Fourth Proportional to 414,736,000.90, 622,104,001.35 and 142,016,128.90

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Solution

The fourth proportional to 414,736,000.90, 622,104,001.35 and 142,016,128.90 is: 213,024,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,736,000.90 : 622,104,001.35 = 142,016,128.90 : x
  2. Step 2: Convert to fraction form
    414,736,000.90/622,104,001.35 = 142,016,128.90/x
  3. Step 3: Cross multiply
    414,736,000.90x = 622,104,001.35 × 142,016,128.90
  4. Step 4: Simplify right side
    414,736,000.90x = 88,348,802,044,927,376
  5. Step 5: Solve for x
    x = 88,348,802,044,927,376/414,736,000.90
  6. Step 6: Final answer
    x = 213,024,193.35

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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.