Home / 328,966,065.10-493,449,097.65-277,309,999.90

Finding the Fourth Proportional to 328,966,065.10, 493,449,097.65 and 277,309,999.90

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Solution

The fourth proportional to 328,966,065.10, 493,449,097.65 and 277,309,999.90 is: 415,964,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,966,065.10 : 493,449,097.65 = 277,309,999.90 : x
  2. Step 2: Convert to fraction form
    328,966,065.10/493,449,097.65 = 277,309,999.90/x
  3. Step 3: Cross multiply
    328,966,065.10x = 493,449,097.65 × 277,309,999.90
  4. Step 4: Simplify right side
    328,966,065.10x = 136,838,369,219,976,576
  5. Step 5: Solve for x
    x = 136,838,369,219,976,576/328,966,065.10
  6. Step 6: Final answer
    x = 415,964,999.85

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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.