Home / 19,680,385,693.04-27,159,702,973.90-11,107,111,805.70

Finding the Fourth Proportional to 19,680,385,693.04, 27,159,702,973.90 and 11,107,111,805.70

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Solution

The fourth proportional to 19,680,385,693.04, 27,159,702,973.90 and 11,107,111,805.70 is: 15,328,249,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680,385,693.04 : 27,159,702,973.90 = 11,107,111,805.70 : x
  2. Step 2: Convert to fraction form
    19,680,385,693.04/27,159,702,973.90 = 11,107,111,805.70/x
  3. Step 3: Cross multiply
    19,680,385,693.04x = 27,159,702,973.90 × 11,107,111,805.70
  4. Step 4: Simplify right side
    19,680,385,693.04x = 301,665,857,540,710,137,856
  5. Step 5: Solve for x
    x = 301,665,857,540,710,137,856/19,680,385,693.04
  6. Step 6: Final answer
    x = 15,328,249,265.33

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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.