Home / 320,096,700.78-441,727,688.97-180,864,473.19

Finding the Fourth Proportional to 320,096,700.78, 441,727,688.97 and 180,864,473.19

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Solution

The fourth proportional to 320,096,700.78, 441,727,688.97 and 180,864,473.19 is: 249,589,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,096,700.78 : 441,727,688.97 = 180,864,473.19 : x
  2. Step 2: Convert to fraction form
    320,096,700.78/441,727,688.97 = 180,864,473.19/x
  3. Step 3: Cross multiply
    320,096,700.78x = 441,727,688.97 × 180,864,473.19
  4. Step 4: Simplify right side
    320,096,700.78x = 79,892,845,758,995,232
  5. Step 5: Solve for x
    x = 79,892,845,758,995,232/320,096,700.78
  6. Step 6: Final answer
    x = 249,589,719.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.