Home / 2,768,938,874.91-4,154,069,067.81-903,588,041.21

Finding the Fourth Proportional to 2,768,938,874.91, 4,154,069,067.81 and 903,588,041.21

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Solution

The fourth proportional to 2,768,938,874.91, 4,154,069,067.81 and 903,588,041.21 is: 1,355,597,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,938,874.91 : 4,154,069,067.81 = 903,588,041.21 : x
  2. Step 2: Convert to fraction form
    2,768,938,874.91/4,154,069,067.81 = 903,588,041.21/x
  3. Step 3: Cross multiply
    2,768,938,874.91x = 4,154,069,067.81 × 903,588,041.21
  4. Step 4: Simplify right side
    2,768,938,874.91x = 3,753,567,132,028,970,496
  5. Step 5: Solve for x
    x = 3,753,567,132,028,970,496/2,768,938,874.91
  6. Step 6: Final answer
    x = 1,355,597,686.19

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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.