Home / 1,319,158,313.18-1,978,805,572.98-336,593,450.78

Finding the Fourth Proportional to 1,319,158,313.18, 1,978,805,572.98 and 336,593,450.78

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Solution

The fourth proportional to 1,319,158,313.18, 1,978,805,572.98 and 336,593,450.78 is: 504,907,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,158,313.18 : 1,978,805,572.98 = 336,593,450.78 : x
  2. Step 2: Convert to fraction form
    1,319,158,313.18/1,978,805,572.98 = 336,593,450.78/x
  3. Step 3: Cross multiply
    1,319,158,313.18x = 1,978,805,572.98 × 336,593,450.78
  4. Step 4: Simplify right side
    1,319,158,313.18x = 666,052,996,232,033,280
  5. Step 5: Solve for x
    x = 666,052,996,232,033,280/1,319,158,313.18
  6. Step 6: Final answer
    x = 504,907,553.23

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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.