Home / 1,871,144,455.13-2,581,766,533.31-1,107,809,493.49

Finding the Fourth Proportional to 1,871,144,455.13, 2,581,766,533.31 and 1,107,809,493.49

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Solution

The fourth proportional to 1,871,144,455.13, 2,581,766,533.31 and 1,107,809,493.49 is: 1,528,532,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,144,455.13 : 2,581,766,533.31 = 1,107,809,493.49 : x
  2. Step 2: Convert to fraction form
    1,871,144,455.13/2,581,766,533.31 = 1,107,809,493.49/x
  3. Step 3: Cross multiply
    1,871,144,455.13x = 2,581,766,533.31 × 1,107,809,493.49
  4. Step 4: Simplify right side
    1,871,144,455.13x = 2,860,105,475,566,172,672
  5. Step 5: Solve for x
    x = 2,860,105,475,566,172,672/1,871,144,455.13
  6. Step 6: Final answer
    x = 1,528,532,694.38

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Double scale
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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.