Home / 406,065,872.40-560,369,342.88-220,425,264.24

Finding the Fourth Proportional to 406,065,872.40, 560,369,342.88 and 220,425,264.24

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Solution

The fourth proportional to 406,065,872.40, 560,369,342.88 and 220,425,264.24 is: 304,186,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,065,872.40 : 560,369,342.88 = 220,425,264.24 : x
  2. Step 2: Convert to fraction form
    406,065,872.40/560,369,342.88 = 220,425,264.24/x
  3. Step 3: Cross multiply
    406,065,872.40x = 560,369,342.88 × 220,425,264.24
  4. Step 4: Simplify right side
    406,065,872.40x = 123,519,560,476,319,168
  5. Step 5: Solve for x
    x = 123,519,560,476,319,168/406,065,872.40
  6. Step 6: Final answer
    x = 304,186,017.27

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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.