Home / 395,176,069.29-545,343,616.56-216,531,569.85

Finding the Fourth Proportional to 395,176,069.29, 545,343,616.56 and 216,531,569.85

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Solution

The fourth proportional to 395,176,069.29, 545,343,616.56 and 216,531,569.85 is: 298,813,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,176,069.29 : 545,343,616.56 = 216,531,569.85 : x
  2. Step 2: Convert to fraction form
    395,176,069.29/545,343,616.56 = 216,531,569.85/x
  3. Step 3: Cross multiply
    395,176,069.29x = 545,343,616.56 × 216,531,569.85
  4. Step 4: Simplify right side
    395,176,069.29x = 118,084,109,402,109,760
  5. Step 5: Solve for x
    x = 118,084,109,402,109,760/395,176,069.29
  6. Step 6: Final answer
    x = 298,813,917.59

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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.