Home / 315,044,349.20-472,566,523.80-272,577,021.20

Finding the Fourth Proportional to 315,044,349.20, 472,566,523.80 and 272,577,021.20

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Solution

The fourth proportional to 315,044,349.20, 472,566,523.80 and 272,577,021.20 is: 408,865,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,349.20 : 472,566,523.80 = 272,577,021.20 : x
  2. Step 2: Convert to fraction form
    315,044,349.20/472,566,523.80 = 272,577,021.20/x
  3. Step 3: Cross multiply
    315,044,349.20x = 472,566,523.80 × 272,577,021.20
  4. Step 4: Simplify right side
    315,044,349.20x = 128,810,775,376,242,896
  5. Step 5: Solve for x
    x = 128,810,775,376,242,896/315,044,349.20
  6. Step 6: Final answer
    x = 408,865,531.80

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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.