Home / 1,088,690,767.20-1,631,991,056.40-361,305,064.80

Finding the Fourth Proportional to 1,088,690,767.20, 1,631,991,056.40 and 361,305,064.80

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Solution

The fourth proportional to 1,088,690,767.20, 1,631,991,056.40 and 361,305,064.80 is: 541,610,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,690,767.20 : 1,631,991,056.40 = 361,305,064.80 : x
  2. Step 2: Convert to fraction form
    1,088,690,767.20/1,631,991,056.40 = 361,305,064.80/x
  3. Step 3: Cross multiply
    1,088,690,767.20x = 1,631,991,056.40 × 361,305,064.80
  4. Step 4: Simplify right side
    1,088,690,767.20x = 589,646,634,385,622,528
  5. Step 5: Solve for x
    x = 589,646,634,385,622,528/1,088,690,767.20
  6. Step 6: Final answer
    x = 541,610,760.51

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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.