Home / 650,637,721.73-897,870,870.75-368,372,883.84

Finding the Fourth Proportional to 650,637,721.73, 897,870,870.75 and 368,372,883.84

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Solution

The fourth proportional to 650,637,721.73, 897,870,870.75 and 368,372,883.84 is: 508,349,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,637,721.73 : 897,870,870.75 = 368,372,883.84 : x
  2. Step 2: Convert to fraction form
    650,637,721.73/897,870,870.75 = 368,372,883.84/x
  3. Step 3: Cross multiply
    650,637,721.73x = 897,870,870.75 × 368,372,883.84
  4. Step 4: Simplify right side
    650,637,721.73x = 330,751,281,972,267,520
  5. Step 5: Solve for x
    x = 330,751,281,972,267,520/650,637,721.73
  6. Step 6: Final answer
    x = 508,349,379.28

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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.