Home / 413,883,699.30-620,298,044.55-219,888,051.30

Finding the Fourth Proportional to 413,883,699.30, 620,298,044.55 and 219,888,051.30

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Solution

The fourth proportional to 413,883,699.30, 620,298,044.55 and 219,888,051.30 is: 329,551,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,883,699.30 : 620,298,044.55 = 219,888,051.30 : x
  2. Step 2: Convert to fraction form
    413,883,699.30/620,298,044.55 = 219,888,051.30/x
  3. Step 3: Cross multiply
    413,883,699.30x = 620,298,044.55 × 219,888,051.30
  4. Step 4: Simplify right side
    413,883,699.30x = 136,396,128,241,300,080
  5. Step 5: Solve for x
    x = 136,396,128,241,300,080/413,883,699.30
  6. Step 6: Final answer
    x = 329,551,824.51

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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.