Home / 412,934,124.80-619,401,187.20-249,675,449.60

Finding the Fourth Proportional to 412,934,124.80, 619,401,187.20 and 249,675,449.60

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Solution

The fourth proportional to 412,934,124.80, 619,401,187.20 and 249,675,449.60 is: 374,513,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,934,124.80 : 619,401,187.20 = 249,675,449.60 : x
  2. Step 2: Convert to fraction form
    412,934,124.80/619,401,187.20 = 249,675,449.60/x
  3. Step 3: Cross multiply
    412,934,124.80x = 619,401,187.20 × 249,675,449.60
  4. Step 4: Simplify right side
    412,934,124.80x = 154,649,269,896,933,760
  5. Step 5: Solve for x
    x = 154,649,269,896,933,760/412,934,124.80
  6. Step 6: Final answer
    x = 374,513,174.40

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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.