Home / 890,821,257.72-1,334,650,948.02-372,110,172.36

Finding the Fourth Proportional to 890,821,257.72, 1,334,650,948.02 and 372,110,172.36

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Solution

The fourth proportional to 890,821,257.72, 1,334,650,948.02 and 372,110,172.36 is: 557,504,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,821,257.72 : 1,334,650,948.02 = 372,110,172.36 : x
  2. Step 2: Convert to fraction form
    890,821,257.72/1,334,650,948.02 = 372,110,172.36/x
  3. Step 3: Cross multiply
    890,821,257.72x = 1,334,650,948.02 × 372,110,172.36
  4. Step 4: Simplify right side
    890,821,257.72x = 496,637,194,308,159,616
  5. Step 5: Solve for x
    x = 496,637,194,308,159,616/890,821,257.72
  6. Step 6: Final answer
    x = 557,504,875.42

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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.