Home / 370,653,759.78-511,500,784.91-203,392,819.52

Finding the Fourth Proportional to 370,653,759.78, 511,500,784.91 and 203,392,819.52

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Solution

The fourth proportional to 370,653,759.78, 511,500,784.91 and 203,392,819.52 is: 280,681,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,653,759.78 : 511,500,784.91 = 203,392,819.52 : x
  2. Step 2: Convert to fraction form
    370,653,759.78/511,500,784.91 = 203,392,819.52/x
  3. Step 3: Cross multiply
    370,653,759.78x = 511,500,784.91 × 203,392,819.52
  4. Step 4: Simplify right side
    370,653,759.78x = 104,035,586,825,963,488
  5. Step 5: Solve for x
    x = 104,035,586,825,963,488/370,653,759.78
  6. Step 6: Final answer
    x = 280,681,320.72

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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.