Home / 406,431,546.10-560,830,552.36-225,373,975.40

Finding the Fourth Proportional to 406,431,546.10, 560,830,552.36 and 225,373,975.40

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Solution

The fourth proportional to 406,431,546.10, 560,830,552.36 and 225,373,975.40 is: 310,991,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,431,546.10 : 560,830,552.36 = 225,373,975.40 : x
  2. Step 2: Convert to fraction form
    406,431,546.10/560,830,552.36 = 225,373,975.40/x
  3. Step 3: Cross multiply
    406,431,546.10x = 560,830,552.36 × 225,373,975.40
  4. Step 4: Simplify right side
    406,431,546.10x = 126,396,611,111,989,680
  5. Step 5: Solve for x
    x = 126,396,611,111,989,680/406,431,546.10
  6. Step 6: Final answer
    x = 310,991,143.10

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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.