Home / 6,438,528,010.20-9,657,792,015.30-3,339,164,098.20

Finding the Fourth Proportional to 6,438,528,010.20, 9,657,792,015.30 and 3,339,164,098.20

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Solution

The fourth proportional to 6,438,528,010.20, 9,657,792,015.30 and 3,339,164,098.20 is: 5,008,746,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,528,010.20 : 9,657,792,015.30 = 3,339,164,098.20 : x
  2. Step 2: Convert to fraction form
    6,438,528,010.20/9,657,792,015.30 = 3,339,164,098.20/x
  3. Step 3: Cross multiply
    6,438,528,010.20x = 9,657,792,015.30 × 3,339,164,098.20
  4. Step 4: Simplify right side
    6,438,528,010.20x = 32,248,952,365,372,379,136
  5. Step 5: Solve for x
    x = 32,248,952,365,372,379,136/6,438,528,010.20
  6. Step 6: Final answer
    x = 5,008,746,147.30

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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.