Home / 788,712,036.26-1,183,175,665.59-328,542,589.04

Finding the Fourth Proportional to 788,712,036.26, 1,183,175,665.59 and 328,542,589.04

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Solution

The fourth proportional to 788,712,036.26, 1,183,175,665.59 and 328,542,589.04 is: 492,858,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,712,036.26 : 1,183,175,665.59 = 328,542,589.04 : x
  2. Step 2: Convert to fraction form
    788,712,036.26/1,183,175,665.59 = 328,542,589.04/x
  3. Step 3: Cross multiply
    788,712,036.26x = 1,183,175,665.59 × 328,542,589.04
  4. Step 4: Simplify right side
    788,712,036.26x = 388,723,596,462,063,808
  5. Step 5: Solve for x
    x = 388,723,596,462,063,808/788,712,036.26
  6. Step 6: Final answer
    x = 492,858,709.63

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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.