Home / 7,638,767,544.20-11,458,151,316.30-7,277,175,087.80

Finding the Fourth Proportional to 7,638,767,544.20, 11,458,151,316.30 and 7,277,175,087.80

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Solution

The fourth proportional to 7,638,767,544.20, 11,458,151,316.30 and 7,277,175,087.80 is: 10,915,762,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,767,544.20 : 11,458,151,316.30 = 7,277,175,087.80 : x
  2. Step 2: Convert to fraction form
    7,638,767,544.20/11,458,151,316.30 = 7,277,175,087.80/x
  3. Step 3: Cross multiply
    7,638,767,544.20x = 11,458,151,316.30 × 7,277,175,087.80
  4. Step 4: Simplify right side
    7,638,767,544.20x = 83,382,973,311,221,137,408
  5. Step 5: Solve for x
    x = 83,382,973,311,221,137,408/7,638,767,544.20
  6. Step 6: Final answer
    x = 10,915,762,631.70

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Double scale
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Similar ratio
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1.5x scale

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.