Home / 436,385,840.38-602,212,300.65-238,147,335.63

Finding the Fourth Proportional to 436,385,840.38, 602,212,300.65 and 238,147,335.63

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Solution

The fourth proportional to 436,385,840.38, 602,212,300.65 and 238,147,335.63 is: 328,643,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,385,840.38 : 602,212,300.65 = 238,147,335.63 : x
  2. Step 2: Convert to fraction form
    436,385,840.38/602,212,300.65 = 238,147,335.63/x
  3. Step 3: Cross multiply
    436,385,840.38x = 602,212,300.65 × 238,147,335.63
  4. Step 4: Simplify right side
    436,385,840.38x = 143,415,254,883,410,016
  5. Step 5: Solve for x
    x = 143,415,254,883,410,016/436,385,840.38
  6. Step 6: Final answer
    x = 328,643,236.36

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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.