Home / 20,181,371,080.80-27,648,016,204.92-19,426,830,186.72

Finding the Fourth Proportional to 20,181,371,080.80, 27,648,016,204.92 and 19,426,830,186.72

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Solution

The fourth proportional to 20,181,371,080.80, 27,648,016,204.92 and 19,426,830,186.72 is: 26,614,312,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,371,080.80 : 27,648,016,204.92 = 19,426,830,186.72 : x
  2. Step 2: Convert to fraction form
    20,181,371,080.80/27,648,016,204.92 = 19,426,830,186.72/x
  3. Step 3: Cross multiply
    20,181,371,080.80x = 27,648,016,204.92 × 19,426,830,186.72
  4. Step 4: Simplify right side
    20,181,371,080.80x = 537,113,315,812,663,558,144
  5. Step 5: Solve for x
    x = 537,113,315,812,663,558,144/20,181,371,080.80
  6. Step 6: Final answer
    x = 26,614,312,459.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.