Home / 19,680,385,692.54-27,159,702,973.21-11,107,111,805.20

Finding the Fourth Proportional to 19,680,385,692.54, 27,159,702,973.21 and 11,107,111,805.20

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Solution

The fourth proportional to 19,680,385,692.54, 27,159,702,973.21 and 11,107,111,805.20 is: 15,328,249,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680,385,692.54 : 27,159,702,973.21 = 11,107,111,805.20 : x
  2. Step 2: Convert to fraction form
    19,680,385,692.54/27,159,702,973.21 = 11,107,111,805.20/x
  3. Step 3: Cross multiply
    19,680,385,692.54x = 27,159,702,973.21 × 11,107,111,805.20
  4. Step 4: Simplify right side
    19,680,385,692.54x = 301,665,857,519,466,315,776
  5. Step 5: Solve for x
    x = 301,665,857,519,466,315,776/19,680,385,692.54
  6. Step 6: Final answer
    x = 15,328,249,264.64

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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.