Home / 829,563,948.57-1,243,476,724.23-386,541,379.32

Finding the Fourth Proportional to 829,563,948.57, 1,243,476,724.23 and 386,541,379.32

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Solution

The fourth proportional to 829,563,948.57, 1,243,476,724.23 and 386,541,379.32 is: 579,407,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,563,948.57 : 1,243,476,724.23 = 386,541,379.32 : x
  2. Step 2: Convert to fraction form
    829,563,948.57/1,243,476,724.23 = 386,541,379.32/x
  3. Step 3: Cross multiply
    829,563,948.57x = 1,243,476,724.23 × 386,541,379.32
  4. Step 4: Simplify right side
    829,563,948.57x = 480,655,208,136,179,456
  5. Step 5: Solve for x
    x = 480,655,208,136,179,456/829,563,948.57
  6. Step 6: Final answer
    x = 579,407,059.53

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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.