Home / 744,904,477.60-1,117,356,716.40-422,418,205.60

Finding the Fourth Proportional to 744,904,477.60, 1,117,356,716.40 and 422,418,205.60

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Solution

The fourth proportional to 744,904,477.60, 1,117,356,716.40 and 422,418,205.60 is: 633,627,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,904,477.60 : 1,117,356,716.40 = 422,418,205.60 : x
  2. Step 2: Convert to fraction form
    744,904,477.60/1,117,356,716.40 = 422,418,205.60/x
  3. Step 3: Cross multiply
    744,904,477.60x = 1,117,356,716.40 × 422,418,205.60
  4. Step 4: Simplify right side
    744,904,477.60x = 471,991,819,156,796,160
  5. Step 5: Solve for x
    x = 471,991,819,156,796,160/744,904,477.60
  6. Step 6: Final answer
    x = 633,627,308.40

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Similar ratio
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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.