Home / 1,320,129,294-1,819,958,055.56-1,053,111,408.90

Finding the Fourth Proportional to 1,320,129,294, 1,819,958,055.56 and 1,053,111,408.90

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Solution

The fourth proportional to 1,320,129,294, 1,819,958,055.56 and 1,053,111,408.90 is: 1,451,841,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,129,294 : 1,819,958,055.56 = 1,053,111,408.90 : x
  2. Step 2: Convert to fraction form
    1,320,129,294/1,819,958,055.56 = 1,053,111,408.90/x
  3. Step 3: Cross multiply
    1,320,129,294x = 1,819,958,055.56 × 1,053,111,408.90
  4. Step 4: Simplify right side
    1,320,129,294x = 1,916,618,592,029,696,000
  5. Step 5: Solve for x
    x = 1,916,618,592,029,696,000/1,320,129,294
  6. Step 6: Final answer
    x = 1,451,841,573.96

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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.