Home / 1,296,874,051.56-1,789,683,825.24-702,158,463

Finding the Fourth Proportional to 1,296,874,051.56, 1,789,683,825.24 and 702,158,463

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Solution

The fourth proportional to 1,296,874,051.56, 1,789,683,825.24 and 702,158,463 is: 968,977,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,874,051.56 : 1,789,683,825.24 = 702,158,463 : x
  2. Step 2: Convert to fraction form
    1,296,874,051.56/1,789,683,825.24 = 702,158,463/x
  3. Step 3: Cross multiply
    1,296,874,051.56x = 1,789,683,825.24 × 702,158,463
  4. Step 4: Simplify right side
    1,296,874,051.56x = 1,256,641,643,986,479,104
  5. Step 5: Solve for x
    x = 1,256,641,643,986,479,104/1,296,874,051.56
  6. Step 6: Final answer
    x = 968,977,397.98

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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.