Home / 290,160,006.80-435,240,010.20-273,531,808.40

Finding the Fourth Proportional to 290,160,006.80, 435,240,010.20 and 273,531,808.40

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Solution

The fourth proportional to 290,160,006.80, 435,240,010.20 and 273,531,808.40 is: 410,297,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,160,006.80 : 435,240,010.20 = 273,531,808.40 : x
  2. Step 2: Convert to fraction form
    290,160,006.80/435,240,010.20 = 273,531,808.40/x
  3. Step 3: Cross multiply
    290,160,006.80x = 435,240,010.20 × 273,531,808.40
  4. Step 4: Simplify right side
    290,160,006.80x = 119,051,987,078,040,432
  5. Step 5: Solve for x
    x = 119,051,987,078,040,432/290,160,006.80
  6. Step 6: Final answer
    x = 410,297,712.60

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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.