Home / 442,369,740.80-663,554,611.20-303,820,083.20

Finding the Fourth Proportional to 442,369,740.80, 663,554,611.20 and 303,820,083.20

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Solution

The fourth proportional to 442,369,740.80, 663,554,611.20 and 303,820,083.20 is: 455,730,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,369,740.80 : 663,554,611.20 = 303,820,083.20 : x
  2. Step 2: Convert to fraction form
    442,369,740.80/663,554,611.20 = 303,820,083.20/x
  3. Step 3: Cross multiply
    442,369,740.80x = 663,554,611.20 × 303,820,083.20
  4. Step 4: Simplify right side
    442,369,740.80x = 201,601,217,182,527,648
  5. Step 5: Solve for x
    x = 201,601,217,182,527,648/442,369,740.80
  6. Step 6: Final answer
    x = 455,730,124.80

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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.