Home / 1,029,494,150.30-1,420,857,224.69-627,840,918.86

Finding the Fourth Proportional to 1,029,494,150.30, 1,420,857,224.69 and 627,840,918.86

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Solution

The fourth proportional to 1,029,494,150.30, 1,420,857,224.69 and 627,840,918.86 is: 866,515,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,494,150.30 : 1,420,857,224.69 = 627,840,918.86 : x
  2. Step 2: Convert to fraction form
    1,029,494,150.30/1,420,857,224.69 = 627,840,918.86/x
  3. Step 3: Cross multiply
    1,029,494,150.30x = 1,420,857,224.69 × 627,840,918.86
  4. Step 4: Simplify right side
    1,029,494,150.30x = 892,072,305,513,332,352
  5. Step 5: Solve for x
    x = 892,072,305,513,332,352/1,029,494,150.30
  6. Step 6: Final answer
    x = 866,515,176.66

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1.5x scale

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.