Home / 19,782,165,740.40-29,673,248,610.60-19,644,416,233.20

Finding the Fourth Proportional to 19,782,165,740.40, 29,673,248,610.60 and 19,644,416,233.20

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Solution

The fourth proportional to 19,782,165,740.40, 29,673,248,610.60 and 19,644,416,233.20 is: 29,466,624,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,165,740.40 : 29,673,248,610.60 = 19,644,416,233.20 : x
  2. Step 2: Convert to fraction form
    19,782,165,740.40/29,673,248,610.60 = 19,644,416,233.20/x
  3. Step 3: Cross multiply
    19,782,165,740.40x = 29,673,248,610.60 × 19,644,416,233.20
  4. Step 4: Simplify right side
    19,782,165,740.40x = 582,913,646,697,849,946,112
  5. Step 5: Solve for x
    x = 582,913,646,697,849,946,112/19,782,165,740.40
  6. Step 6: Final answer
    x = 29,466,624,349.80

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Double scale
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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.