Home / 1,320,129,293.13-1,819,958,054.36-1,053,111,408.03

Finding the Fourth Proportional to 1,320,129,293.13, 1,819,958,054.36 and 1,053,111,408.03

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Solution

The fourth proportional to 1,320,129,293.13, 1,819,958,054.36 and 1,053,111,408.03 is: 1,451,841,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,129,293.13 : 1,819,958,054.36 = 1,053,111,408.03 : x
  2. Step 2: Convert to fraction form
    1,320,129,293.13/1,819,958,054.36 = 1,053,111,408.03/x
  3. Step 3: Cross multiply
    1,320,129,293.13x = 1,819,958,054.36 × 1,053,111,408.03
  4. Step 4: Simplify right side
    1,320,129,293.13x = 1,916,618,589,177,333,248
  5. Step 5: Solve for x
    x = 1,916,618,589,177,333,248/1,320,129,293.13
  6. Step 6: Final answer
    x = 1,451,841,572.75

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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.