Home / 405,980,590.80-560,253,755.90-220,341,606.48

Finding the Fourth Proportional to 405,980,590.80, 560,253,755.90 and 220,341,606.48

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Solution

The fourth proportional to 405,980,590.80, 560,253,755.90 and 220,341,606.48 is: 304,071,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,980,590.80 : 560,253,755.90 = 220,341,606.48 : x
  2. Step 2: Convert to fraction form
    405,980,590.80/560,253,755.90 = 220,341,606.48/x
  3. Step 3: Cross multiply
    405,980,590.80x = 560,253,755.90 × 220,341,606.48
  4. Step 4: Simplify right side
    405,980,590.80x = 123,447,212,611,459,760
  5. Step 5: Solve for x
    x = 123,447,212,611,459,760/405,980,590.80
  6. Step 6: Final answer
    x = 304,071,710.35

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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.