Home / 319,034,721.20-478,552,081.80-273,118,218.80

Finding the Fourth Proportional to 319,034,721.20, 478,552,081.80 and 273,118,218.80

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Solution

The fourth proportional to 319,034,721.20, 478,552,081.80 and 273,118,218.80 is: 409,677,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,034,721.20 : 478,552,081.80 = 273,118,218.80 : x
  2. Step 2: Convert to fraction form
    319,034,721.20/478,552,081.80 = 273,118,218.80/x
  3. Step 3: Cross multiply
    319,034,721.20x = 478,552,081.80 × 273,118,218.80
  4. Step 4: Simplify right side
    319,034,721.20x = 130,701,292,184,247,904
  5. Step 5: Solve for x
    x = 130,701,292,184,247,904/319,034,721.20
  6. Step 6: Final answer
    x = 409,677,328.20

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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.