Home / 1,770,390,508.12-2,443,090,196.34-977,422,077.64

Finding the Fourth Proportional to 1,770,390,508.12, 2,443,090,196.34 and 977,422,077.64

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Solution

The fourth proportional to 1,770,390,508.12, 2,443,090,196.34 and 977,422,077.64 is: 1,348,815,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,390,508.12 : 2,443,090,196.34 = 977,422,077.64 : x
  2. Step 2: Convert to fraction form
    1,770,390,508.12/2,443,090,196.34 = 977,422,077.64/x
  3. Step 3: Cross multiply
    1,770,390,508.12x = 2,443,090,196.34 × 977,422,077.64
  4. Step 4: Simplify right side
    1,770,390,508.12x = 2,387,930,295,568,558,592
  5. Step 5: Solve for x
    x = 2,387,930,295,568,558,592/1,770,390,508.12
  6. Step 6: Final answer
    x = 1,348,815,577.48

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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.