Home / 319,034,719.20-478,552,078.80-273,118,216.80

Finding the Fourth Proportional to 319,034,719.20, 478,552,078.80 and 273,118,216.80

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Solution

The fourth proportional to 319,034,719.20, 478,552,078.80 and 273,118,216.80 is: 409,677,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,034,719.20 : 478,552,078.80 = 273,118,216.80 : x
  2. Step 2: Convert to fraction form
    319,034,719.20/478,552,078.80 = 273,118,216.80/x
  3. Step 3: Cross multiply
    319,034,719.20x = 478,552,078.80 × 273,118,216.80
  4. Step 4: Simplify right side
    319,034,719.20x = 130,701,290,407,789,088
  5. Step 5: Solve for x
    x = 130,701,290,407,789,088/319,034,719.20
  6. Step 6: Final answer
    x = 409,677,325.20

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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.