Home / 293,538,677.30-439,349,908.86-215,794,985.36

Finding the Fourth Proportional to 293,538,677.30, 439,349,908.86 and 215,794,985.36

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Solution

The fourth proportional to 293,538,677.30, 439,349,908.86 and 215,794,985.36 is: 322,988,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,538,677.30 : 439,349,908.86 = 215,794,985.36 : x
  2. Step 2: Convert to fraction form
    293,538,677.30/439,349,908.86 = 215,794,985.36/x
  3. Step 3: Cross multiply
    293,538,677.30x = 439,349,908.86 × 215,794,985.36
  4. Step 4: Simplify right side
    293,538,677.30x = 94,809,507,151,459,424
  5. Step 5: Solve for x
    x = 94,809,507,151,459,424/293,538,677.30
  6. Step 6: Final answer
    x = 322,988,125.53

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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.