Home / 524,204,005.20-786,809,892.60-265,711,102.80

Finding the Fourth Proportional to 524,204,005.20, 786,809,892.60 and 265,711,102.80

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Solution

The fourth proportional to 524,204,005.20, 786,809,892.60 and 265,711,102.80 is: 398,822,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,204,005.20 : 786,809,892.60 = 265,711,102.80 : x
  2. Step 2: Convert to fraction form
    524,204,005.20/786,809,892.60 = 265,711,102.80/x
  3. Step 3: Cross multiply
    524,204,005.20x = 786,809,892.60 × 265,711,102.80
  4. Step 4: Simplify right side
    524,204,005.20x = 209,064,124,256,695,584
  5. Step 5: Solve for x
    x = 209,064,124,256,695,584/524,204,005.20
  6. Step 6: Final answer
    x = 398,822,065.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.