Home / 27,377,818,911.90-37,693,581,244.20-21,348,587,551.80

Finding the Fourth Proportional to 27,377,818,911.90, 37,693,581,244.20 and 21,348,587,551.80

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Solution

The fourth proportional to 27,377,818,911.90, 37,693,581,244.20 and 21,348,587,551.80 is: 29,392,579,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377,818,911.90 : 37,693,581,244.20 = 21,348,587,551.80 : x
  2. Step 2: Convert to fraction form
    27,377,818,911.90/37,693,581,244.20 = 21,348,587,551.80/x
  3. Step 3: Cross multiply
    27,377,818,911.90x = 37,693,581,244.20 × 21,348,587,551.80
  4. Step 4: Simplify right side
    27,377,818,911.90x = 804,704,719,332,689,969,152
  5. Step 5: Solve for x
    x = 804,704,719,332,689,969,152/27,377,818,911.90
  6. Step 6: Final answer
    x = 29,392,579,515.64

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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.