Home / 403,572,931,481.76-605,359,979,844.20-164,807,580,542.39

Finding the Fourth Proportional to 403,572,931,481.76, 605,359,979,844.20 and 164,807,580,542.39

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Solution

The fourth proportional to 403,572,931,481.76, 605,359,979,844.20 and 164,807,580,542.39 is: 247,211,608,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,572,931,481.76 : 605,359,979,844.20 = 164,807,580,542.39 : x
  2. Step 2: Convert to fraction form
    403,572,931,481.76/605,359,979,844.20 = 164,807,580,542.39/x
  3. Step 3: Cross multiply
    403,572,931,481.76x = 605,359,979,844.20 × 164,807,580,542.39
  4. Step 4: Simplify right side
    403,572,931,481.76x = 99,767,913,635,312,578,854,912
  5. Step 5: Solve for x
    x = 99,767,913,635,312,578,854,912/403,572,931,481.76
  6. Step 6: Final answer
    x = 247,211,608,739.48

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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.