Home / 323,431,061.40-485,146,592.10-314,928,005.40

Finding the Fourth Proportional to 323,431,061.40, 485,146,592.10 and 314,928,005.40

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Solution

The fourth proportional to 323,431,061.40, 485,146,592.10 and 314,928,005.40 is: 472,392,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,431,061.40 : 485,146,592.10 = 314,928,005.40 : x
  2. Step 2: Convert to fraction form
    323,431,061.40/485,146,592.10 = 314,928,005.40/x
  3. Step 3: Cross multiply
    323,431,061.40x = 485,146,592.10 × 314,928,005.40
  4. Step 4: Simplify right side
    323,431,061.40x = 152,786,248,576,660,384
  5. Step 5: Solve for x
    x = 152,786,248,576,660,384/323,431,061.40
  6. Step 6: Final answer
    x = 472,392,008.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.