Home / 20,706,769,820.10-31,060,154,730.15-19,645,588,431.30

Finding the Fourth Proportional to 20,706,769,820.10, 31,060,154,730.15 and 19,645,588,431.30

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Solution

The fourth proportional to 20,706,769,820.10, 31,060,154,730.15 and 19,645,588,431.30 is: 29,468,382,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,769,820.10 : 31,060,154,730.15 = 19,645,588,431.30 : x
  2. Step 2: Convert to fraction form
    20,706,769,820.10/31,060,154,730.15 = 19,645,588,431.30/x
  3. Step 3: Cross multiply
    20,706,769,820.10x = 31,060,154,730.15 × 19,645,588,431.30
  4. Step 4: Simplify right side
    20,706,769,820.10x = 610,195,016,441,022,775,296
  5. Step 5: Solve for x
    x = 610,195,016,441,022,775,296/20,706,769,820.10
  6. Step 6: Final answer
    x = 29,468,382,646.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.