Home / 1,231,589,100-1,699,579,418.16-667,059,938.16

Finding the Fourth Proportional to 1,231,589,100, 1,699,579,418.16 and 667,059,938.16

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Solution

The fourth proportional to 1,231,589,100, 1,699,579,418.16 and 667,059,938.16 is: 920,535,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,589,100 : 1,699,579,418.16 = 667,059,938.16 : x
  2. Step 2: Convert to fraction form
    1,231,589,100/1,699,579,418.16 = 667,059,938.16/x
  3. Step 3: Cross multiply
    1,231,589,100x = 1,699,579,418.16 × 667,059,938.16
  4. Step 4: Simplify right side
    1,231,589,100x = 1,133,721,341,575,818,368
  5. Step 5: Solve for x
    x = 1,133,721,341,575,818,368/1,231,589,100
  6. Step 6: Final answer
    x = 920,535,381.14

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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.