Home / 20,382,903,789,964-28,128,406,154,416-11,007,700,417,916

Finding the Fourth Proportional to 20,382,903,789,964, 28,128,406,154,416 and 11,007,700,417,916

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Solution

The fourth proportional to 20,382,903,789,964, 28,128,406,154,416 and 11,007,700,417,916 is: 15,190,625,995,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382,903,789,964 : 28,128,406,154,416 = 11,007,700,417,916 : x
  2. Step 2: Convert to fraction form
    20,382,903,789,964/28,128,406,154,416 = 11,007,700,417,916/x
  3. Step 3: Cross multiply
    20,382,903,789,964x = 28,128,406,154,416 × 11,007,700,417,916
  4. Step 4: Simplify right side
    20,382,903,789,964x = 309,629,068,181,275,967,569,788,928
  5. Step 5: Solve for x
    x = 309,629,068,181,275,967,569,788,928/20,382,903,789,964
  6. Step 6: Final answer
    x = 15,190,625,995,778.34

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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.