Home / 608,999,256.96-840,419,896.32-330,540,881.28

Finding the Fourth Proportional to 608,999,256.96, 840,419,896.32 and 330,540,881.28

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Solution

The fourth proportional to 608,999,256.96, 840,419,896.32 and 330,540,881.28 is: 456,146,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,999,256.96 : 840,419,896.32 = 330,540,881.28 : x
  2. Step 2: Convert to fraction form
    608,999,256.96/840,419,896.32 = 330,540,881.28/x
  3. Step 3: Cross multiply
    608,999,256.96x = 840,419,896.32 × 330,540,881.28
  4. Step 4: Simplify right side
    608,999,256.96x = 277,793,133,174,859,008
  5. Step 5: Solve for x
    x = 277,793,133,174,859,008/608,999,256.96
  6. Step 6: Final answer
    x = 456,146,916.44

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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.