Home / 628,456,210.52-867,296,478.54-349,997,733.80

Finding the Fourth Proportional to 628,456,210.52, 867,296,478.54 and 349,997,733.80

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Solution

The fourth proportional to 628,456,210.52, 867,296,478.54 and 349,997,733.80 is: 483,011,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,456,210.52 : 867,296,478.54 = 349,997,733.80 : x
  2. Step 2: Convert to fraction form
    628,456,210.52/867,296,478.54 = 349,997,733.80/x
  3. Step 3: Cross multiply
    628,456,210.52x = 867,296,478.54 × 349,997,733.80
  4. Step 4: Simplify right side
    628,456,210.52x = 303,551,802,021,720,320
  5. Step 5: Solve for x
    x = 303,551,802,021,720,320/628,456,210.52
  6. Step 6: Final answer
    x = 483,011,858.17

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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.