Home / 804,563,931.43-1,110,198,610.78-465,530,686.21

Finding the Fourth Proportional to 804,563,931.43, 1,110,198,610.78 and 465,530,686.21

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Solution

The fourth proportional to 804,563,931.43, 1,110,198,610.78 and 465,530,686.21 is: 642,374,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,563,931.43 : 1,110,198,610.78 = 465,530,686.21 : x
  2. Step 2: Convert to fraction form
    804,563,931.43/1,110,198,610.78 = 465,530,686.21/x
  3. Step 3: Cross multiply
    804,563,931.43x = 1,110,198,610.78 × 465,530,686.21
  4. Step 4: Simplify right side
    804,563,931.43x = 516,831,521,105,802,048
  5. Step 5: Solve for x
    x = 516,831,521,105,802,048/804,563,931.43
  6. Step 6: Final answer
    x = 642,374,708.73

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1.5x scale

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.