Home / 651,490,249.43-899,489,464.51-500,514,016.37

Finding the Fourth Proportional to 651,490,249.43, 899,489,464.51 and 500,514,016.37

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Solution

The fourth proportional to 651,490,249.43, 899,489,464.51 and 500,514,016.37 is: 691,041,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,490,249.43 : 899,489,464.51 = 500,514,016.37 : x
  2. Step 2: Convert to fraction form
    651,490,249.43/899,489,464.51 = 500,514,016.37/x
  3. Step 3: Cross multiply
    651,490,249.43x = 899,489,464.51 × 500,514,016.37
  4. Step 4: Simplify right side
    651,490,249.43x = 450,207,084,563,085,504
  5. Step 5: Solve for x
    x = 450,207,084,563,085,504/651,490,249.43
  6. Step 6: Final answer
    x = 691,041,938.01

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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.