Home / 843,743,989.08-1,265,644,686.36-400,858,099.08

Finding the Fourth Proportional to 843,743,989.08, 1,265,644,686.36 and 400,858,099.08

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Solution

The fourth proportional to 843,743,989.08, 1,265,644,686.36 and 400,858,099.08 is: 601,300,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,743,989.08 : 1,265,644,686.36 = 400,858,099.08 : x
  2. Step 2: Convert to fraction form
    843,743,989.08/1,265,644,686.36 = 400,858,099.08/x
  3. Step 3: Cross multiply
    843,743,989.08x = 1,265,644,686.36 × 400,858,099.08
  4. Step 4: Simplify right side
    843,743,989.08x = 507,343,923,084,972,352
  5. Step 5: Solve for x
    x = 507,343,923,084,972,352/843,743,989.08
  6. Step 6: Final answer
    x = 601,300,785.13

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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.