Home / 648,140,769.20-972,254,498.76-227,911,936.82

Finding the Fourth Proportional to 648,140,769.20, 972,254,498.76 and 227,911,936.82

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Solution

The fourth proportional to 648,140,769.20, 972,254,498.76 and 227,911,936.82 is: 341,883,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,140,769.20 : 972,254,498.76 = 227,911,936.82 : x
  2. Step 2: Convert to fraction form
    648,140,769.20/972,254,498.76 = 227,911,936.82/x
  3. Step 3: Cross multiply
    648,140,769.20x = 972,254,498.76 × 227,911,936.82
  4. Step 4: Simplify right side
    648,140,769.20x = 221,588,405,894,349,888
  5. Step 5: Solve for x
    x = 221,588,405,894,349,888/648,140,769.20
  6. Step 6: Final answer
    x = 341,883,147.03

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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.