Home / 512,051,704.67-706,633,111.11-277,102,302.87

Finding the Fourth Proportional to 512,051,704.67, 706,633,111.11 and 277,102,302.87

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Solution

The fourth proportional to 512,051,704.67, 706,633,111.11 and 277,102,302.87 is: 382,402,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,051,704.67 : 706,633,111.11 = 277,102,302.87 : x
  2. Step 2: Convert to fraction form
    512,051,704.67/706,633,111.11 = 277,102,302.87/x
  3. Step 3: Cross multiply
    512,051,704.67x = 706,633,111.11 × 277,102,302.87
  4. Step 4: Simplify right side
    512,051,704.67x = 195,809,662,372,773,600
  5. Step 5: Solve for x
    x = 195,809,662,372,773,600/512,051,704.67
  6. Step 6: Final answer
    x = 382,402,129.69

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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.