Home / 21,398,214,862.13-29,529,892,155.02-11,753,836,594.97

Finding the Fourth Proportional to 21,398,214,862.13, 29,529,892,155.02 and 11,753,836,594.97

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Solution

The fourth proportional to 21,398,214,862.13, 29,529,892,155.02 and 11,753,836,594.97 is: 16,220,489,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398,214,862.13 : 29,529,892,155.02 = 11,753,836,594.97 : x
  2. Step 2: Convert to fraction form
    21,398,214,862.13/29,529,892,155.02 = 11,753,836,594.97/x
  3. Step 3: Cross multiply
    21,398,214,862.13x = 29,529,892,155.02 × 11,753,836,594.97
  4. Step 4: Simplify right side
    21,398,214,862.13x = 347,089,527,056,996,892,672
  5. Step 5: Solve for x
    x = 347,089,527,056,996,892,672/21,398,214,862.13
  6. Step 6: Final answer
    x = 16,220,489,853.63

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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.