Home / 393,277,310,054.47-542,716,912,025.28-219,664,983,146.18

Finding the Fourth Proportional to 393,277,310,054.47, 542,716,912,025.28 and 219,664,983,146.18

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Solution

The fourth proportional to 393,277,310,054.47, 542,716,912,025.28 and 219,664,983,146.18 is: 303,134,450,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,277,310,054.47 : 542,716,912,025.28 = 219,664,983,146.18 : x
  2. Step 2: Convert to fraction form
    393,277,310,054.47/542,716,912,025.28 = 219,664,983,146.18/x
  3. Step 3: Cross multiply
    393,277,310,054.47x = 542,716,912,025.28 × 219,664,983,146.18
  4. Step 4: Simplify right side
    393,277,310,054.47x = 119,215,901,333,179,991,064,576
  5. Step 5: Solve for x
    x = 119,215,901,333,179,991,064,576/393,277,310,054.47
  6. Step 6: Final answer
    x = 303,134,450,641.63

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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.