Home / 555,893,305,394.22-767,090,661,333.60-311,975,665,835.10

Finding the Fourth Proportional to 555,893,305,394.22, 767,090,661,333.60 and 311,975,665,835.10

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Solution

The fourth proportional to 555,893,305,394.22, 767,090,661,333.60 and 311,975,665,835.10 is: 430,502,791,638.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,893,305,394.22 : 767,090,661,333.60 = 311,975,665,835.10 : x
  2. Step 2: Convert to fraction form
    555,893,305,394.22/767,090,661,333.60 = 311,975,665,835.10/x
  3. Step 3: Cross multiply
    555,893,305,394.22x = 767,090,661,333.60 × 311,975,665,835.10
  4. Step 4: Simplify right side
    555,893,305,394.22x = 239,313,619,825,437,037,297,664
  5. Step 5: Solve for x
    x = 239,313,619,825,437,037,297,664/555,893,305,394.22
  6. Step 6: Final answer
    x = 430,502,791,638.63

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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.