Home / 910,631,023.62-1,365,941,967.03-220,538,259.06

Finding the Fourth Proportional to 910,631,023.62, 1,365,941,967.03 and 220,538,259.06

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Solution

The fourth proportional to 910,631,023.62, 1,365,941,967.03 and 220,538,259.06 is: 330,806,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,631,023.62 : 1,365,941,967.03 = 220,538,259.06 : x
  2. Step 2: Convert to fraction form
    910,631,023.62/1,365,941,967.03 = 220,538,259.06/x
  3. Step 3: Cross multiply
    910,631,023.62x = 1,365,941,967.03 × 220,538,259.06
  4. Step 4: Simplify right side
    910,631,023.62x = 301,242,463,385,788,096
  5. Step 5: Solve for x
    x = 301,242,463,385,788,096/910,631,023.62
  6. Step 6: Final answer
    x = 330,806,282.21

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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.