Home / 997,057,343.20-1,495,586,014.80-827,188,031.20

Finding the Fourth Proportional to 997,057,343.20, 1,495,586,014.80 and 827,188,031.20

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Solution

The fourth proportional to 997,057,343.20, 1,495,586,014.80 and 827,188,031.20 is: 1,240,782,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,057,343.20 : 1,495,586,014.80 = 827,188,031.20 : x
  2. Step 2: Convert to fraction form
    997,057,343.20/1,495,586,014.80 = 827,188,031.20/x
  3. Step 3: Cross multiply
    997,057,343.20x = 1,495,586,014.80 × 827,188,031.20
  4. Step 4: Simplify right side
    997,057,343.20x = 1,237,130,851,072,666,112
  5. Step 5: Solve for x
    x = 1,237,130,851,072,666,112/997,057,343.20
  6. Step 6: Final answer
    x = 1,240,782,046.80

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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.