Home / 427,146,133,602.71-589,462,248,096.25-231,829,418,490.71

Finding the Fourth Proportional to 427,146,133,602.71, 589,462,248,096.25 and 231,829,418,490.71

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Solution

The fourth proportional to 427,146,133,602.71, 589,462,248,096.25 and 231,829,418,490.71 is: 319,924,914,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,146,133,602.71 : 589,462,248,096.25 = 231,829,418,490.71 : x
  2. Step 2: Convert to fraction form
    427,146,133,602.71/589,462,248,096.25 = 231,829,418,490.71/x
  3. Step 3: Cross multiply
    427,146,133,602.71x = 589,462,248,096.25 × 231,829,418,490.71
  4. Step 4: Simplify right side
    427,146,133,602.71x = 136,654,690,198,380,253,020,160
  5. Step 5: Solve for x
    x = 136,654,690,198,380,253,020,160/427,146,133,602.71
  6. Step 6: Final answer
    x = 319,924,914,327.99

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Double scale
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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.