Home / 637,741,015.68-880,101,254.40-373,398,276.48

Finding the Fourth Proportional to 637,741,015.68, 880,101,254.40 and 373,398,276.48

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Solution

The fourth proportional to 637,741,015.68, 880,101,254.40 and 373,398,276.48 is: 515,300,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,741,015.68 : 880,101,254.40 = 373,398,276.48 : x
  2. Step 2: Convert to fraction form
    637,741,015.68/880,101,254.40 = 373,398,276.48/x
  3. Step 3: Cross multiply
    637,741,015.68x = 880,101,254.40 × 373,398,276.48
  4. Step 4: Simplify right side
    637,741,015.68x = 328,628,291,520,846,016
  5. Step 5: Solve for x
    x = 328,628,291,520,846,016/637,741,015.68
  6. Step 6: Final answer
    x = 515,300,542.76

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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.