Home / 28,124,583,466.26-38,844,137,136.69-18,522,238,117.62

Finding the Fourth Proportional to 28,124,583,466.26, 38,844,137,136.69 and 18,522,238,117.62

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Solution

The fourth proportional to 28,124,583,466.26, 38,844,137,136.69 and 18,522,238,117.62 is: 25,581,902,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124,583,466.26 : 38,844,137,136.69 = 18,522,238,117.62 : x
  2. Step 2: Convert to fraction form
    28,124,583,466.26/38,844,137,136.69 = 18,522,238,117.62/x
  3. Step 3: Cross multiply
    28,124,583,466.26x = 38,844,137,136.69 × 18,522,238,117.62
  4. Step 4: Simplify right side
    28,124,583,466.26x = 719,480,357,519,258,157,056
  5. Step 5: Solve for x
    x = 719,480,357,519,258,157,056/28,124,583,466.26
  6. Step 6: Final answer
    x = 25,581,902,693.15

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Double scale
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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.