Home / 20,382,903,789,916-28,128,406,154,356-11,007,700,417,871

Finding the Fourth Proportional to 20,382,903,789,916, 28,128,406,154,356 and 11,007,700,417,871

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Solution

The fourth proportional to 20,382,903,789,916, 28,128,406,154,356 and 11,007,700,417,871 is: 15,190,625,995,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382,903,789,916 : 28,128,406,154,356 = 11,007,700,417,871 : x
  2. Step 2: Convert to fraction form
    20,382,903,789,916/28,128,406,154,356 = 11,007,700,417,871/x
  3. Step 3: Cross multiply
    20,382,903,789,916x = 28,128,406,154,356 × 11,007,700,417,871
  4. Step 4: Simplify right side
    20,382,903,789,916x = 309,629,068,179,349,760,636,878,848
  5. Step 5: Solve for x
    x = 309,629,068,179,349,760,636,878,848/20,382,903,789,916
  6. Step 6: Final answer
    x = 15,190,625,995,719.61

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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.