Home / 1,242,845,999.24-1,864,514,587.28-455,906,958.90

Finding the Fourth Proportional to 1,242,845,999.24, 1,864,514,587.28 and 455,906,958.90

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Solution

The fourth proportional to 1,242,845,999.24, 1,864,514,587.28 and 455,906,958.90 is: 683,950,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,845,999.24 : 1,864,514,587.28 = 455,906,958.90 : x
  2. Step 2: Convert to fraction form
    1,242,845,999.24/1,864,514,587.28 = 455,906,958.90/x
  3. Step 3: Cross multiply
    1,242,845,999.24x = 1,864,514,587.28 × 455,906,958.90
  4. Step 4: Simplify right side
    1,242,845,999.24x = 850,045,175,311,513,344
  5. Step 5: Solve for x
    x = 850,045,175,311,513,344/1,242,845,999.24
  6. Step 6: Final answer
    x = 683,950,526.32

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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.