Home / 828,568,635.59-1,242,714,385.06-303,829,303.43

Finding the Fourth Proportional to 828,568,635.59, 1,242,714,385.06 and 303,829,303.43

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Solution

The fourth proportional to 828,568,635.59, 1,242,714,385.06 and 303,829,303.43 is: 455,693,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,568,635.59 : 1,242,714,385.06 = 303,829,303.43 : x
  2. Step 2: Convert to fraction form
    828,568,635.59/1,242,714,385.06 = 303,829,303.43/x
  3. Step 3: Cross multiply
    828,568,635.59x = 1,242,714,385.06 × 303,829,303.43
  4. Step 4: Simplify right side
    828,568,635.59x = 377,573,045,975,220,608
  5. Step 5: Solve for x
    x = 377,573,045,975,220,608/828,568,635.59
  6. Step 6: Final answer
    x = 455,693,143.28

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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.