Home / 428,912,045.44-591,901,196.16-233,343,157.12

Finding the Fourth Proportional to 428,912,045.44, 591,901,196.16 and 233,343,157.12

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Solution

The fourth proportional to 428,912,045.44, 591,901,196.16 and 233,343,157.12 is: 322,014,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,912,045.44 : 591,901,196.16 = 233,343,157.12 : x
  2. Step 2: Convert to fraction form
    428,912,045.44/591,901,196.16 = 233,343,157.12/x
  3. Step 3: Cross multiply
    428,912,045.44x = 591,901,196.16 × 233,343,157.12
  4. Step 4: Simplify right side
    428,912,045.44x = 138,116,093,815,078,816
  5. Step 5: Solve for x
    x = 138,116,093,815,078,816/428,912,045.44
  6. Step 6: Final answer
    x = 322,014,956.87

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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.