Home / 508,374,495.36-701,500,664.70-285,305,011.92

Finding the Fourth Proportional to 508,374,495.36, 701,500,664.70 and 285,305,011.92

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Solution

The fourth proportional to 508,374,495.36, 701,500,664.70 and 285,305,011.92 is: 393,689,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,374,495.36 : 701,500,664.70 = 285,305,011.92 : x
  2. Step 2: Convert to fraction form
    508,374,495.36/701,500,664.70 = 285,305,011.92/x
  3. Step 3: Cross multiply
    508,374,495.36x = 701,500,664.70 × 285,305,011.92
  4. Step 4: Simplify right side
    508,374,495.36x = 200,141,655,504,121,440
  5. Step 5: Solve for x
    x = 200,141,655,504,121,440/508,374,495.36
  6. Step 6: Final answer
    x = 393,689,410.72

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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.