Home / 828,568,636.59-1,242,714,386.56-303,829,304.43

Finding the Fourth Proportional to 828,568,636.59, 1,242,714,386.56 and 303,829,304.43

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Solution

The fourth proportional to 828,568,636.59, 1,242,714,386.56 and 303,829,304.43 is: 455,693,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,568,636.59 : 1,242,714,386.56 = 303,829,304.43 : x
  2. Step 2: Convert to fraction form
    828,568,636.59/1,242,714,386.56 = 303,829,304.43/x
  3. Step 3: Cross multiply
    828,568,636.59x = 1,242,714,386.56 × 303,829,304.43
  4. Step 4: Simplify right side
    828,568,636.59x = 377,573,047,673,678,912
  5. Step 5: Solve for x
    x = 377,573,047,673,678,912/828,568,636.59
  6. Step 6: Final answer
    x = 455,693,144.78

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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.