Home / 538,004,048.60-807,006,072.90-489,536,629.40

Finding the Fourth Proportional to 538,004,048.60, 807,006,072.90 and 489,536,629.40

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Solution

The fourth proportional to 538,004,048.60, 807,006,072.90 and 489,536,629.40 is: 734,304,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,004,048.60 : 807,006,072.90 = 489,536,629.40 : x
  2. Step 2: Convert to fraction form
    538,004,048.60/807,006,072.90 = 489,536,629.40/x
  3. Step 3: Cross multiply
    538,004,048.60x = 807,006,072.90 × 489,536,629.40
  4. Step 4: Simplify right side
    538,004,048.60x = 395,059,032,832,796,672
  5. Step 5: Solve for x
    x = 395,059,032,832,796,672/538,004,048.60
  6. Step 6: Final answer
    x = 734,304,944.10

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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.