Home / 357,912,415.34-493,911,390.64-207,211,426.71

Finding the Fourth Proportional to 357,912,415.34, 493,911,390.64 and 207,211,426.71

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Solution

The fourth proportional to 357,912,415.34, 493,911,390.64 and 207,211,426.71 is: 285,947,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,912,415.34 : 493,911,390.64 = 207,211,426.71 : x
  2. Step 2: Convert to fraction form
    357,912,415.34/493,911,390.64 = 207,211,426.71/x
  3. Step 3: Cross multiply
    357,912,415.34x = 493,911,390.64 × 207,211,426.71
  4. Step 4: Simplify right side
    357,912,415.34x = 102,344,083,923,627,616
  5. Step 5: Solve for x
    x = 102,344,083,923,627,616/357,912,415.34
  6. Step 6: Final answer
    x = 285,947,286.36

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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.