Home / 889,237,687-1,227,155,213.06-492,767,299.04

Finding the Fourth Proportional to 889,237,687, 1,227,155,213.06 and 492,767,299.04

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Solution

The fourth proportional to 889,237,687, 1,227,155,213.06 and 492,767,299.04 is: 680,022,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,237,687 : 1,227,155,213.06 = 492,767,299.04 : x
  2. Step 2: Convert to fraction form
    889,237,687/1,227,155,213.06 = 492,767,299.04/x
  3. Step 3: Cross multiply
    889,237,687x = 1,227,155,213.06 × 492,767,299.04
  4. Step 4: Simplify right side
    889,237,687x = 604,701,959,842,431,872
  5. Step 5: Solve for x
    x = 604,701,959,842,431,872/889,237,687
  6. Step 6: Final answer
    x = 680,022,865.30

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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.