Home / 648,340,945.42-894,710,804.48-350,983,187.92

Finding the Fourth Proportional to 648,340,945.42, 894,710,804.48 and 350,983,187.92

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Solution

The fourth proportional to 648,340,945.42, 894,710,804.48 and 350,983,187.92 is: 484,356,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,340,945.42 : 894,710,804.48 = 350,983,187.92 : x
  2. Step 2: Convert to fraction form
    648,340,945.42/894,710,804.48 = 350,983,187.92/x
  3. Step 3: Cross multiply
    648,340,945.42x = 894,710,804.48 × 350,983,187.92
  4. Step 4: Simplify right side
    648,340,945.42x = 314,028,450,422,858,240
  5. Step 5: Solve for x
    x = 314,028,450,422,858,240/648,340,945.42
  6. Step 6: Final answer
    x = 484,356,961.63

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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.