Home / 965,283,979.20-1,447,925,968.80-238,272,691.20

Finding the Fourth Proportional to 965,283,979.20, 1,447,925,968.80 and 238,272,691.20

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Solution

The fourth proportional to 965,283,979.20, 1,447,925,968.80 and 238,272,691.20 is: 357,409,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,283,979.20 : 1,447,925,968.80 = 238,272,691.20 : x
  2. Step 2: Convert to fraction form
    965,283,979.20/1,447,925,968.80 = 238,272,691.20/x
  3. Step 3: Cross multiply
    965,283,979.20x = 1,447,925,968.80 × 238,272,691.20
  4. Step 4: Simplify right side
    965,283,979.20x = 345,001,217,244,343,232
  5. Step 5: Solve for x
    x = 345,001,217,244,343,232/965,283,979.20
  6. Step 6: Final answer
    x = 357,409,036.80

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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.