Home / 3,390,172,956.54-4,678,540,046.98-1,864,181,828.40

Finding the Fourth Proportional to 3,390,172,956.54, 4,678,540,046.98 and 1,864,181,828.40

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Solution

The fourth proportional to 3,390,172,956.54, 4,678,540,046.98 and 1,864,181,828.40 is: 2,572,626,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,172,956.54 : 4,678,540,046.98 = 1,864,181,828.40 : x
  2. Step 2: Convert to fraction form
    3,390,172,956.54/4,678,540,046.98 = 1,864,181,828.40/x
  3. Step 3: Cross multiply
    3,390,172,956.54x = 4,678,540,046.98 × 1,864,181,828.40
  4. Step 4: Simplify right side
    3,390,172,956.54x = 8,721,649,339,010,079,744
  5. Step 5: Solve for x
    x = 8,721,649,339,010,079,744/3,390,172,956.54
  6. Step 6: Final answer
    x = 2,572,626,662.66

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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.