Home / 284,030,860.80-426,046,291.20-187,284,979.20

Finding the Fourth Proportional to 284,030,860.80, 426,046,291.20 and 187,284,979.20

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Solution

The fourth proportional to 284,030,860.80, 426,046,291.20 and 187,284,979.20 is: 280,927,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,030,860.80 : 426,046,291.20 = 187,284,979.20 : x
  2. Step 2: Convert to fraction form
    284,030,860.80/426,046,291.20 = 187,284,979.20/x
  3. Step 3: Cross multiply
    284,030,860.80x = 426,046,291.20 × 187,284,979.20
  4. Step 4: Simplify right side
    284,030,860.80x = 79,792,070,785,629,136
  5. Step 5: Solve for x
    x = 79,792,070,785,629,136/284,030,860.80
  6. Step 6: Final answer
    x = 280,927,468.80

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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.