Home / 405,980,566.19-560,253,721.97-220,341,581.88

Finding the Fourth Proportional to 405,980,566.19, 560,253,721.97 and 220,341,581.88

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Solution

The fourth proportional to 405,980,566.19, 560,253,721.97 and 220,341,581.88 is: 304,071,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,980,566.19 : 560,253,721.97 = 220,341,581.88 : x
  2. Step 2: Convert to fraction form
    405,980,566.19/560,253,721.97 = 220,341,581.88/x
  3. Step 3: Cross multiply
    405,980,566.19x = 560,253,721.97 × 220,341,581.88
  4. Step 4: Simplify right side
    405,980,566.19x = 123,447,191,350,236,880
  5. Step 5: Solve for x
    x = 123,447,191,350,236,880/405,980,566.19
  6. Step 6: Final answer
    x = 304,071,676.41

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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.