Home / 395,363,059.71-545,589,197.86-216,740,839.03

Finding the Fourth Proportional to 395,363,059.71, 545,589,197.86 and 216,740,839.03

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Solution

The fourth proportional to 395,363,059.71, 545,589,197.86 and 216,740,839.03 is: 299,095,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,363,059.71 : 545,589,197.86 = 216,740,839.03 : x
  2. Step 2: Convert to fraction form
    395,363,059.71/545,589,197.86 = 216,740,839.03/x
  3. Step 3: Cross multiply
    395,363,059.71x = 545,589,197.86 × 216,740,839.03
  4. Step 4: Simplify right side
    395,363,059.71x = 118,251,460,508,387,072
  5. Step 5: Solve for x
    x = 118,251,460,508,387,072/395,363,059.71
  6. Step 6: Final answer
    x = 299,095,875.56

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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.