Home / 1,156,305,874.68-1,595,656,138.64-654,618,726.58

Finding the Fourth Proportional to 1,156,305,874.68, 1,595,656,138.64 and 654,618,726.58

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Solution

The fourth proportional to 1,156,305,874.68, 1,595,656,138.64 and 654,618,726.58 is: 903,347,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,305,874.68 : 1,595,656,138.64 = 654,618,726.58 : x
  2. Step 2: Convert to fraction form
    1,156,305,874.68/1,595,656,138.64 = 654,618,726.58/x
  3. Step 3: Cross multiply
    1,156,305,874.68x = 1,595,656,138.64 × 654,618,726.58
  4. Step 4: Simplify right side
    1,156,305,874.68x = 1,044,546,389,536,076,928
  5. Step 5: Solve for x
    x = 1,044,546,389,536,076,928/1,156,305,874.68
  6. Step 6: Final answer
    x = 903,347,818.61

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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.