Home / 319,034,720.20-478,552,080.30-273,118,217.80

Finding the Fourth Proportional to 319,034,720.20, 478,552,080.30 and 273,118,217.80

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Solution

The fourth proportional to 319,034,720.20, 478,552,080.30 and 273,118,217.80 is: 409,677,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,034,720.20 : 478,552,080.30 = 273,118,217.80 : x
  2. Step 2: Convert to fraction form
    319,034,720.20/478,552,080.30 = 273,118,217.80/x
  3. Step 3: Cross multiply
    319,034,720.20x = 478,552,080.30 × 273,118,217.80
  4. Step 4: Simplify right side
    319,034,720.20x = 130,701,291,296,018,496
  5. Step 5: Solve for x
    x = 130,701,291,296,018,496/319,034,720.20
  6. Step 6: Final answer
    x = 409,677,326.70

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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.