Home / 406,585,653.48-561,087,774.72-220,946,272.20

Finding the Fourth Proportional to 406,585,653.48, 561,087,774.72 and 220,946,272.20

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Solution

The fourth proportional to 406,585,653.48, 561,087,774.72 and 220,946,272.20 is: 304,905,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,585,653.48 : 561,087,774.72 = 220,946,272.20 : x
  2. Step 2: Convert to fraction form
    406,585,653.48/561,087,774.72 = 220,946,272.20/x
  3. Step 3: Cross multiply
    406,585,653.48x = 561,087,774.72 × 220,946,272.20
  4. Step 4: Simplify right side
    406,585,653.48x = 123,970,252,201,377,392
  5. Step 5: Solve for x
    x = 123,970,252,201,377,392/406,585,653.48
  6. Step 6: Final answer
    x = 304,905,623.55

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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.