Home / 369,871,996.32-510,431,602.56-211,098,934.56

Finding the Fourth Proportional to 369,871,996.32, 510,431,602.56 and 211,098,934.56

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Solution

The fourth proportional to 369,871,996.32, 510,431,602.56 and 211,098,934.56 is: 291,321,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,871,996.32 : 510,431,602.56 = 211,098,934.56 : x
  2. Step 2: Convert to fraction form
    369,871,996.32/510,431,602.56 = 211,098,934.56/x
  3. Step 3: Cross multiply
    369,871,996.32x = 510,431,602.56 × 211,098,934.56
  4. Step 4: Simplify right side
    369,871,996.32x = 107,751,567,466,169,376
  5. Step 5: Solve for x
    x = 107,751,567,466,169,376/369,871,996.32
  6. Step 6: Final answer
    x = 291,321,236.91

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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.