Home / 427,146,133,603.21-589,462,248,096.95-231,829,418,491.21

Finding the Fourth Proportional to 427,146,133,603.21, 589,462,248,096.95 and 231,829,418,491.21

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Solution

The fourth proportional to 427,146,133,603.21, 589,462,248,096.95 and 231,829,418,491.21 is: 319,924,914,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,146,133,603.21 : 589,462,248,096.95 = 231,829,418,491.21 : x
  2. Step 2: Convert to fraction form
    427,146,133,603.21/589,462,248,096.95 = 231,829,418,491.21/x
  3. Step 3: Cross multiply
    427,146,133,603.21x = 589,462,248,096.95 × 231,829,418,491.21
  4. Step 4: Simplify right side
    427,146,133,603.21x = 136,654,690,198,837,264,384,000
  5. Step 5: Solve for x
    x = 136,654,690,198,837,264,384,000/427,146,133,603.21
  6. Step 6: Final answer
    x = 319,924,914,328.69

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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.