Home / 820,938,246.46-1,133,007,489.66-503,342,310.58

Finding the Fourth Proportional to 820,938,246.46, 1,133,007,489.66 and 503,342,310.58

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Solution

The fourth proportional to 820,938,246.46, 1,133,007,489.66 and 503,342,310.58 is: 694,681,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,938,246.46 : 1,133,007,489.66 = 503,342,310.58 : x
  2. Step 2: Convert to fraction form
    820,938,246.46/1,133,007,489.66 = 503,342,310.58/x
  3. Step 3: Cross multiply
    820,938,246.46x = 1,133,007,489.66 × 503,342,310.58
  4. Step 4: Simplify right side
    820,938,246.46x = 570,290,607,749,909,888
  5. Step 5: Solve for x
    x = 570,290,607,749,909,888/820,938,246.46
  6. Step 6: Final answer
    x = 694,681,494.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.