Home / 328,875,811.62-493,152,291.97-162,687,303.17

Finding the Fourth Proportional to 328,875,811.62, 493,152,291.97 and 162,687,303.17

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Solution

The fourth proportional to 328,875,811.62, 493,152,291.97 and 162,687,303.17 is: 243,951,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,875,811.62 : 493,152,291.97 = 162,687,303.17 : x
  2. Step 2: Convert to fraction form
    328,875,811.62/493,152,291.97 = 162,687,303.17/x
  3. Step 3: Cross multiply
    328,875,811.62x = 493,152,291.97 × 162,687,303.17
  4. Step 4: Simplify right side
    328,875,811.62x = 80,229,616,431,680,576
  5. Step 5: Solve for x
    x = 80,229,616,431,680,576/328,875,811.62
  6. Step 6: Final answer
    x = 243,951,101.29

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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.