Home / 370,653,763.17-511,500,789.54-203,392,822.89

Finding the Fourth Proportional to 370,653,763.17, 511,500,789.54 and 203,392,822.89

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Solution

The fourth proportional to 370,653,763.17, 511,500,789.54 and 203,392,822.89 is: 280,681,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,653,763.17 : 511,500,789.54 = 203,392,822.89 : x
  2. Step 2: Convert to fraction form
    370,653,763.17/511,500,789.54 = 203,392,822.89/x
  3. Step 3: Cross multiply
    370,653,763.17x = 511,500,789.54 × 203,392,822.89
  4. Step 4: Simplify right side
    370,653,763.17x = 104,035,589,495,004,384
  5. Step 5: Solve for x
    x = 104,035,589,495,004,384/370,653,763.17
  6. Step 6: Final answer
    x = 280,681,325.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.