Home / 330,802,346.33-456,168,867.49-219,254,455.07

Finding the Fourth Proportional to 330,802,346.33, 456,168,867.49 and 219,254,455.07

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Solution

The fourth proportional to 330,802,346.33, 456,168,867.49 and 219,254,455.07 is: 302,346,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,802,346.33 : 456,168,867.49 = 219,254,455.07 : x
  2. Step 2: Convert to fraction form
    330,802,346.33/456,168,867.49 = 219,254,455.07/x
  3. Step 3: Cross multiply
    330,802,346.33x = 456,168,867.49 × 219,254,455.07
  4. Step 4: Simplify right side
    330,802,346.33x = 100,017,056,463,070,592
  5. Step 5: Solve for x
    x = 100,017,056,463,070,592/330,802,346.33
  6. Step 6: Final answer
    x = 302,346,877.44

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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.