Home / 646,690,029.98-970,021,039.05-180,339,010.58

Finding the Fourth Proportional to 646,690,029.98, 970,021,039.05 and 180,339,010.58

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Solution

The fourth proportional to 646,690,029.98, 970,021,039.05 and 180,339,010.58 is: 270,504,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,690,029.98 : 970,021,039.05 = 180,339,010.58 : x
  2. Step 2: Convert to fraction form
    646,690,029.98/970,021,039.05 = 180,339,010.58/x
  3. Step 3: Cross multiply
    646,690,029.98x = 970,021,039.05 × 180,339,010.58
  4. Step 4: Simplify right side
    646,690,029.98x = 174,932,634,426,485,600
  5. Step 5: Solve for x
    x = 174,932,634,426,485,600/646,690,029.98
  6. Step 6: Final answer
    x = 270,504,610.12

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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.