Home / 351,780,516.47-527,751,840.72-121,749,603.86

Finding the Fourth Proportional to 351,780,516.47, 527,751,840.72 and 121,749,603.86

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Solution

The fourth proportional to 351,780,516.47, 527,751,840.72 and 121,749,603.86 is: 182,652,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,780,516.47 : 527,751,840.72 = 121,749,603.86 : x
  2. Step 2: Convert to fraction form
    351,780,516.47/527,751,840.72 = 121,749,603.86/x
  3. Step 3: Cross multiply
    351,780,516.47x = 527,751,840.72 × 121,749,603.86
  4. Step 4: Simplify right side
    351,780,516.47x = 64,253,577,544,045,824
  5. Step 5: Solve for x
    x = 64,253,577,544,045,824/351,780,516.47
  6. Step 6: Final answer
    x = 182,652,462.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.