Home / 650,637,721.23-897,870,870.06-368,372,883.34

Finding the Fourth Proportional to 650,637,721.23, 897,870,870.06 and 368,372,883.34

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Solution

The fourth proportional to 650,637,721.23, 897,870,870.06 and 368,372,883.34 is: 508,349,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,637,721.23 : 897,870,870.06 = 368,372,883.34 : x
  2. Step 2: Convert to fraction form
    650,637,721.23/897,870,870.06 = 368,372,883.34/x
  3. Step 3: Cross multiply
    650,637,721.23x = 897,870,870.06 × 368,372,883.34
  4. Step 4: Simplify right side
    650,637,721.23x = 330,751,281,270,737,600
  5. Step 5: Solve for x
    x = 330,751,281,270,737,600/650,637,721.23
  6. Step 6: Final answer
    x = 508,349,378.59

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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.