Home / 731,378,835.02-1,009,253,104.45-401,375,231.66

Finding the Fourth Proportional to 731,378,835.02, 1,009,253,104.45 and 401,375,231.66

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Solution

The fourth proportional to 731,378,835.02, 1,009,253,104.45 and 401,375,231.66 is: 553,870,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,378,835.02 : 1,009,253,104.45 = 401,375,231.66 : x
  2. Step 2: Convert to fraction form
    731,378,835.02/1,009,253,104.45 = 401,375,231.66/x
  3. Step 3: Cross multiply
    731,378,835.02x = 1,009,253,104.45 × 401,375,231.66
  4. Step 4: Simplify right side
    731,378,835.02x = 405,089,198,595,139,776
  5. Step 5: Solve for x
    x = 405,089,198,595,139,776/731,378,835.02
  6. Step 6: Final answer
    x = 553,870,551.35

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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.