Home / 206,310,817,812.23-309,607,586,542.85-72,005,307,876.59

Finding the Fourth Proportional to 206,310,817,812.23, 309,607,586,542.85 and 72,005,307,876.59

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Solution

The fourth proportional to 206,310,817,812.23, 309,607,586,542.85 and 72,005,307,876.59 is: 108,057,298,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,310,817,812.23 : 309,607,586,542.85 = 72,005,307,876.59 : x
  2. Step 2: Convert to fraction form
    206,310,817,812.23/309,607,586,542.85 = 72,005,307,876.59/x
  3. Step 3: Cross multiply
    206,310,817,812.23x = 309,607,586,542.85 × 72,005,307,876.59
  4. Step 4: Simplify right side
    206,310,817,812.23x = 22,293,389,589,945,893,519,360
  5. Step 5: Solve for x
    x = 22,293,389,589,945,893,519,360/206,310,817,812.23
  6. Step 6: Final answer
    x = 108,057,298,334.38

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1.5x scale

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.