Home / 438,289,278.68-604,839,787.72-237,346,499.43

Finding the Fourth Proportional to 438,289,278.68, 604,839,787.72 and 237,346,499.43

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Solution

The fourth proportional to 438,289,278.68, 604,839,787.72 and 237,346,499.43 is: 327,538,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,289,278.68 : 604,839,787.72 = 237,346,499.43 : x
  2. Step 2: Convert to fraction form
    438,289,278.68/604,839,787.72 = 237,346,499.43/x
  3. Step 3: Cross multiply
    438,289,278.68x = 604,839,787.72 × 237,346,499.43
  4. Step 4: Simplify right side
    438,289,278.68x = 143,556,606,328,302,112
  5. Step 5: Solve for x
    x = 143,556,606,328,302,112/438,289,278.68
  6. Step 6: Final answer
    x = 327,538,485.00

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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.