Home / 699,356,676.47-965,547,849.21-445,181,500.59

Finding the Fourth Proportional to 699,356,676.47, 965,547,849.21 and 445,181,500.59

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Solution

The fourth proportional to 699,356,676.47, 965,547,849.21 and 445,181,500.59 is: 614,627,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,356,676.47 : 965,547,849.21 = 445,181,500.59 : x
  2. Step 2: Convert to fraction form
    699,356,676.47/965,547,849.21 = 445,181,500.59/x
  3. Step 3: Cross multiply
    699,356,676.47x = 965,547,849.21 × 445,181,500.59
  4. Step 4: Simplify right side
    699,356,676.47x = 429,844,040,403,907,712
  5. Step 5: Solve for x
    x = 429,844,040,403,907,712/699,356,676.47
  6. Step 6: Final answer
    x = 614,627,778.46

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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.