Home / 372,703,832.93-514,354,300.66-205,439,716.89

Finding the Fourth Proportional to 372,703,832.93, 514,354,300.66 and 205,439,716.89

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Solution

The fourth proportional to 372,703,832.93, 514,354,300.66 and 205,439,716.89 is: 283,519,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,703,832.93 : 514,354,300.66 = 205,439,716.89 : x
  2. Step 2: Convert to fraction form
    372,703,832.93/514,354,300.66 = 205,439,716.89/x
  3. Step 3: Cross multiply
    372,703,832.93x = 514,354,300.66 × 205,439,716.89
  4. Step 4: Simplify right side
    372,703,832.93x = 105,668,801,909,003,024
  5. Step 5: Solve for x
    x = 105,668,801,909,003,024/372,703,832.93
  6. Step 6: Final answer
    x = 283,519,493.42

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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.