Home / 855,288,780.74-1,180,298,469.25-464,148,204.74

Finding the Fourth Proportional to 855,288,780.74, 1,180,298,469.25 and 464,148,204.74

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Solution

The fourth proportional to 855,288,780.74, 1,180,298,469.25 and 464,148,204.74 is: 640,524,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,288,780.74 : 1,180,298,469.25 = 464,148,204.74 : x
  2. Step 2: Convert to fraction form
    855,288,780.74/1,180,298,469.25 = 464,148,204.74/x
  3. Step 3: Cross multiply
    855,288,780.74x = 1,180,298,469.25 × 464,148,204.74
  4. Step 4: Simplify right side
    855,288,780.74x = 547,833,415,559,757,632
  5. Step 5: Solve for x
    x = 547,833,415,559,757,632/855,288,780.74
  6. Step 6: Final answer
    x = 640,524,496.40

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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.