Home / 354,215,596.23-488,793,903.17-203,513,100.39

Finding the Fourth Proportional to 354,215,596.23, 488,793,903.17 and 203,513,100.39

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Solution

The fourth proportional to 354,215,596.23, 488,793,903.17 and 203,513,100.39 is: 280,834,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,215,596.23 : 488,793,903.17 = 203,513,100.39 : x
  2. Step 2: Convert to fraction form
    354,215,596.23/488,793,903.17 = 203,513,100.39/x
  3. Step 3: Cross multiply
    354,215,596.23x = 488,793,903.17 × 203,513,100.39
  4. Step 4: Simplify right side
    354,215,596.23x = 99,475,962,684,838,576
  5. Step 5: Solve for x
    x = 99,475,962,684,838,576/354,215,596.23
  6. Step 6: Final answer
    x = 280,834,507.98

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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.