Home / 668,341,424.54-1,002,510,758.37-377,076,326.78

Finding the Fourth Proportional to 668,341,424.54, 1,002,510,758.37 and 377,076,326.78

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Solution

The fourth proportional to 668,341,424.54, 1,002,510,758.37 and 377,076,326.78 is: 565,613,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,341,424.54 : 1,002,510,758.37 = 377,076,326.78 : x
  2. Step 2: Convert to fraction form
    668,341,424.54/1,002,510,758.37 = 377,076,326.78/x
  3. Step 3: Cross multiply
    668,341,424.54x = 1,002,510,758.37 × 377,076,326.78
  4. Step 4: Simplify right side
    668,341,424.54x = 378,023,074,323,591,744
  5. Step 5: Solve for x
    x = 378,023,074,323,591,744/668,341,424.54
  6. Step 6: Final answer
    x = 565,613,712.46

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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.