Home / 289,584,587.16-399,251,633.85-187,560,749.16

Finding the Fourth Proportional to 289,584,587.16, 399,251,633.85 and 187,560,749.16

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Solution

The fourth proportional to 289,584,587.16, 399,251,633.85 and 187,560,749.16 is: 258,590,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,584,587.16 : 399,251,633.85 = 187,560,749.16 : x
  2. Step 2: Convert to fraction form
    289,584,587.16/399,251,633.85 = 187,560,749.16/x
  3. Step 3: Cross multiply
    289,584,587.16x = 399,251,633.85 × 187,560,749.16
  4. Step 4: Simplify right side
    289,584,587.16x = 74,883,935,548,260,016
  5. Step 5: Solve for x
    x = 74,883,935,548,260,016/289,584,587.16
  6. Step 6: Final answer
    x = 258,590,888.01

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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.