Home / 27,598,293,806.15-38,085,570,174.69-15,391,012,181.60

Finding the Fourth Proportional to 27,598,293,806.15, 38,085,570,174.69 and 15,391,012,181.60

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Solution

The fourth proportional to 27,598,293,806.15, 38,085,570,174.69 and 15,391,012,181.60 is: 21,239,554,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,598,293,806.15 : 38,085,570,174.69 = 15,391,012,181.60 : x
  2. Step 2: Convert to fraction form
    27,598,293,806.15/38,085,570,174.69 = 15,391,012,181.60/x
  3. Step 3: Cross multiply
    27,598,293,806.15x = 38,085,570,174.69 × 15,391,012,181.60
  4. Step 4: Simplify right side
    27,598,293,806.15x = 586,175,474,501,835,489,280
  5. Step 5: Solve for x
    x = 586,175,474,501,835,489,280/27,598,293,806.15
  6. Step 6: Final answer
    x = 21,239,554,829.70

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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.