Home / 646,558,029-969,845,448.06-215,736,525

Finding the Fourth Proportional to 646,558,029, 969,845,448.06 and 215,736,525

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Solution

The fourth proportional to 646,558,029, 969,845,448.06 and 215,736,525 is: 323,607,591.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,558,029 : 969,845,448.06 = 215,736,525 : x
  2. Step 2: Convert to fraction form
    646,558,029/969,845,448.06 = 215,736,525/x
  3. Step 3: Cross multiply
    646,558,029x = 969,845,448.06 × 215,736,525
  4. Step 4: Simplify right side
    646,558,029x = 209,231,086,751,532,384
  5. Step 5: Solve for x
    x = 209,231,086,751,532,384/646,558,029
  6. Step 6: Final answer
    x = 323,607,591.84

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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.