Home / 388,723,751.15-583,489,079.00-225,280,843.07

Finding the Fourth Proportional to 388,723,751.15, 583,489,079.00 and 225,280,843.07

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Solution

The fourth proportional to 388,723,751.15, 583,489,079.00 and 225,280,843.07 is: 338,155,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,723,751.15 : 583,489,079.00 = 225,280,843.07 : x
  2. Step 2: Convert to fraction form
    388,723,751.15/583,489,079.00 = 225,280,843.07/x
  3. Step 3: Cross multiply
    388,723,751.15x = 583,489,079.00 × 225,280,843.07
  4. Step 4: Simplify right side
    388,723,751.15x = 131,448,911,635,213,984
  5. Step 5: Solve for x
    x = 131,448,911,635,213,984/388,723,751.15
  6. Step 6: Final answer
    x = 338,155,081.21

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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.