Home / 372,790,378.17-514,451,288.75-207,774,404.73

Finding the Fourth Proportional to 372,790,378.17, 514,451,288.75 and 207,774,404.73

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Solution

The fourth proportional to 372,790,378.17, 514,451,288.75 and 207,774,404.73 is: 286,728,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,790,378.17 : 514,451,288.75 = 207,774,404.73 : x
  2. Step 2: Convert to fraction form
    372,790,378.17/514,451,288.75 = 207,774,404.73/x
  3. Step 3: Cross multiply
    372,790,378.17x = 514,451,288.75 × 207,774,404.73
  4. Step 4: Simplify right side
    372,790,378.17x = 106,889,810,282,612,592
  5. Step 5: Solve for x
    x = 106,889,810,282,612,592/372,790,378.17
  6. Step 6: Final answer
    x = 286,728,994.47

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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.