Home / 405,980,579.80-560,253,740.72-220,341,595.48

Finding the Fourth Proportional to 405,980,579.80, 560,253,740.72 and 220,341,595.48

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Solution

The fourth proportional to 405,980,579.80, 560,253,740.72 and 220,341,595.48 is: 304,071,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,980,579.80 : 560,253,740.72 = 220,341,595.48 : x
  2. Step 2: Convert to fraction form
    405,980,579.80/560,253,740.72 = 220,341,595.48/x
  3. Step 3: Cross multiply
    405,980,579.80x = 560,253,740.72 × 220,341,595.48
  4. Step 4: Simplify right side
    405,980,579.80x = 123,447,203,103,883,040
  5. Step 5: Solve for x
    x = 123,447,203,103,883,040/405,980,579.80
  6. Step 6: Final answer
    x = 304,071,695.17

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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.