Home / 766,138,019.40-1,149,368,429.70-248,528,044.80

Finding the Fourth Proportional to 766,138,019.40, 1,149,368,429.70 and 248,528,044.80

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Solution

The fourth proportional to 766,138,019.40, 1,149,368,429.70 and 248,528,044.80 is: 372,844,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,138,019.40 : 1,149,368,429.70 = 248,528,044.80 : x
  2. Step 2: Convert to fraction form
    766,138,019.40/1,149,368,429.70 = 248,528,044.80/x
  3. Step 3: Cross multiply
    766,138,019.40x = 1,149,368,429.70 × 248,528,044.80
  4. Step 4: Simplify right side
    766,138,019.40x = 285,650,288,588,187,264
  5. Step 5: Solve for x
    x = 285,650,288,588,187,264/766,138,019.40
  6. Step 6: Final answer
    x = 372,844,424.05

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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.