Home / 290,372,500.80-435,054,866.40-188,083,886.40

Finding the Fourth Proportional to 290,372,500.80, 435,054,866.40 and 188,083,886.40

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Solution

The fourth proportional to 290,372,500.80, 435,054,866.40 and 188,083,886.40 is: 281,799,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,372,500.80 : 435,054,866.40 = 188,083,886.40 : x
  2. Step 2: Convert to fraction form
    290,372,500.80/435,054,866.40 = 188,083,886.40/x
  3. Step 3: Cross multiply
    290,372,500.80x = 435,054,866.40 × 188,083,886.40
  4. Step 4: Simplify right side
    290,372,500.80x = 81,826,810,069,744,768
  5. Step 5: Solve for x
    x = 81,826,810,069,744,768/290,372,500.80
  6. Step 6: Final answer
    x = 281,799,446.73

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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.