Home / 294,971,981.40-442,961,856.90-193,187,251.80

Finding the Fourth Proportional to 294,971,981.40, 442,961,856.90 and 193,187,251.80

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Solution

The fourth proportional to 294,971,981.40, 442,961,856.90 and 193,187,251.80 is: 290,110,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,971,981.40 : 442,961,856.90 = 193,187,251.80 : x
  2. Step 2: Convert to fraction form
    294,971,981.40/442,961,856.90 = 193,187,251.80/x
  3. Step 3: Cross multiply
    294,971,981.40x = 442,961,856.90 × 193,187,251.80
  4. Step 4: Simplify right side
    294,971,981.40x = 85,574,583,786,735,872
  5. Step 5: Solve for x
    x = 85,574,583,786,735,872/294,971,981.40
  6. Step 6: Final answer
    x = 290,110,889.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.