Home / 1,171,149,658.76-1,616,186,408.96-662,501,505.33

Finding the Fourth Proportional to 1,171,149,658.76, 1,616,186,408.96 and 662,501,505.33

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Solution

The fourth proportional to 1,171,149,658.76, 1,616,186,408.96 and 662,501,505.33 is: 914,252,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,149,658.76 : 1,616,186,408.96 = 662,501,505.33 : x
  2. Step 2: Convert to fraction form
    1,171,149,658.76/1,616,186,408.96 = 662,501,505.33/x
  3. Step 3: Cross multiply
    1,171,149,658.76x = 1,616,186,408.96 × 662,501,505.33
  4. Step 4: Simplify right side
    1,171,149,658.76x = 1,070,725,928,831,543,424
  5. Step 5: Solve for x
    x = 1,070,725,928,831,543,424/1,171,149,658.76
  6. Step 6: Final answer
    x = 914,252,009.40

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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.