Home / 407,462,515.20-611,193,772.80-293,521,564.80

Finding the Fourth Proportional to 407,462,515.20, 611,193,772.80 and 293,521,564.80

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Solution

The fourth proportional to 407,462,515.20, 611,193,772.80 and 293,521,564.80 is: 440,282,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,462,515.20 : 611,193,772.80 = 293,521,564.80 : x
  2. Step 2: Convert to fraction form
    407,462,515.20/611,193,772.80 = 293,521,564.80/x
  3. Step 3: Cross multiply
    407,462,515.20x = 611,193,772.80 × 293,521,564.80
  4. Step 4: Simplify right side
    407,462,515.20x = 179,398,552,588,271,680
  5. Step 5: Solve for x
    x = 179,398,552,588,271,680/407,462,515.20
  6. Step 6: Final answer
    x = 440,282,347.20

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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.