Home / 19,680,385,694.55-27,159,702,975.98-11,107,111,807.20

Finding the Fourth Proportional to 19,680,385,694.55, 27,159,702,975.98 and 11,107,111,807.20

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Solution

The fourth proportional to 19,680,385,694.55, 27,159,702,975.98 and 11,107,111,807.20 is: 15,328,249,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680,385,694.55 : 27,159,702,975.98 = 11,107,111,807.20 : x
  2. Step 2: Convert to fraction form
    19,680,385,694.55/27,159,702,975.98 = 11,107,111,807.20/x
  3. Step 3: Cross multiply
    19,680,385,694.55x = 27,159,702,975.98 × 11,107,111,807.20
  4. Step 4: Simplify right side
    19,680,385,694.55x = 301,665,857,604,496,916,480
  5. Step 5: Solve for x
    x = 301,665,857,604,496,916,480/19,680,385,694.55
  6. Step 6: Final answer
    x = 15,328,249,267.39

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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.