Home / 405,980,565.35-560,253,720.80-220,341,581.03

Finding the Fourth Proportional to 405,980,565.35, 560,253,720.80 and 220,341,581.03

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Solution

The fourth proportional to 405,980,565.35, 560,253,720.80 and 220,341,581.03 is: 304,071,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,980,565.35 : 560,253,720.80 = 220,341,581.03 : x
  2. Step 2: Convert to fraction form
    405,980,565.35/560,253,720.80 = 220,341,581.03/x
  3. Step 3: Cross multiply
    405,980,565.35x = 560,253,720.80 × 220,341,581.03
  4. Step 4: Simplify right side
    405,980,565.35x = 123,447,190,620,963,680
  5. Step 5: Solve for x
    x = 123,447,190,620,963,680/405,980,565.35
  6. Step 6: Final answer
    x = 304,071,675.24

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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.