Home / 1,721,546,732.15-2,579,629,678.06-1,197,938,861.25

Finding the Fourth Proportional to 1,721,546,732.15, 2,579,629,678.06 and 1,197,938,861.25

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Solution

The fourth proportional to 1,721,546,732.15, 2,579,629,678.06 and 1,197,938,861.25 is: 1,795,036,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,546,732.15 : 2,579,629,678.06 = 1,197,938,861.25 : x
  2. Step 2: Convert to fraction form
    1,721,546,732.15/2,579,629,678.06 = 1,197,938,861.25/x
  3. Step 3: Cross multiply
    1,721,546,732.15x = 2,579,629,678.06 × 1,197,938,861.25
  4. Step 4: Simplify right side
    1,721,546,732.15x = 3,090,238,638,981,900,288
  5. Step 5: Solve for x
    x = 3,090,238,638,981,900,288/1,721,546,732.15
  6. Step 6: Final answer
    x = 1,795,036,162.12

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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.