Home / 818,374,149.51-1,228,337,305.52-506,538,490.16

Finding the Fourth Proportional to 818,374,149.51, 1,228,337,305.52 and 506,538,490.16

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Solution

The fourth proportional to 818,374,149.51, 1,228,337,305.52 and 506,538,490.16 is: 760,288,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,374,149.51 : 1,228,337,305.52 = 506,538,490.16 : x
  2. Step 2: Convert to fraction form
    818,374,149.51/1,228,337,305.52 = 506,538,490.16/x
  3. Step 3: Cross multiply
    818,374,149.51x = 1,228,337,305.52 × 506,538,490.16
  4. Step 4: Simplify right side
    818,374,149.51x = 622,200,124,136,629,120
  5. Step 5: Solve for x
    x = 622,200,124,136,629,120/818,374,149.51
  6. Step 6: Final answer
    x = 760,288,096.23

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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.