Home / 1,439,132,663.44-1,986,003,741-779,082,942.16

Finding the Fourth Proportional to 1,439,132,663.44, 1,986,003,741 and 779,082,942.16

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Solution

The fourth proportional to 1,439,132,663.44, 1,986,003,741 and 779,082,942.16 is: 1,075,134,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,132,663.44 : 1,986,003,741 = 779,082,942.16 : x
  2. Step 2: Convert to fraction form
    1,439,132,663.44/1,986,003,741 = 779,082,942.16/x
  3. Step 3: Cross multiply
    1,439,132,663.44x = 1,986,003,741 × 779,082,942.16
  4. Step 4: Simplify right side
    1,439,132,663.44x = 1,547,261,637,679,046,656
  5. Step 5: Solve for x
    x = 1,547,261,637,679,046,656/1,439,132,663.44
  6. Step 6: Final answer
    x = 1,075,134,820.43

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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.