Home / 514,632,024-710,197,634.40-279,682,678.80

Finding the Fourth Proportional to 514,632,024, 710,197,634.40 and 279,682,678.80

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Solution

The fourth proportional to 514,632,024, 710,197,634.40 and 279,682,678.80 is: 385,965,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,632,024 : 710,197,634.40 = 279,682,678.80 : x
  2. Step 2: Convert to fraction form
    514,632,024/710,197,634.40 = 279,682,678.80/x
  3. Step 3: Cross multiply
    514,632,024x = 710,197,634.40 × 279,682,678.80
  4. Step 4: Simplify right side
    514,632,024x = 198,629,976,866,415,040
  5. Step 5: Solve for x
    x = 198,629,976,866,415,040/514,632,024
  6. Step 6: Final answer
    x = 385,965,053.87

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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.