Home / 783,504,493.30-1,176,161,866.35-420,707,437.30

Finding the Fourth Proportional to 783,504,493.30, 1,176,161,866.35 and 420,707,437.30

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Solution

The fourth proportional to 783,504,493.30, 1,176,161,866.35 and 420,707,437.30 is: 631,547,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,504,493.30 : 1,176,161,866.35 = 420,707,437.30 : x
  2. Step 2: Convert to fraction form
    783,504,493.30/1,176,161,866.35 = 420,707,437.30/x
  3. Step 3: Cross multiply
    783,504,493.30x = 1,176,161,866.35 × 420,707,437.30
  4. Step 4: Simplify right side
    783,504,493.30x = 494,820,044,642,093,568
  5. Step 5: Solve for x
    x = 494,820,044,642,093,568/783,504,493.30
  6. Step 6: Final answer
    x = 631,547,169.00

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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.