Home / 1,294,762,686-1,786,936,153.74-849,100,987.32

Finding the Fourth Proportional to 1,294,762,686, 1,786,936,153.74 and 849,100,987.32

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Solution

The fourth proportional to 1,294,762,686, 1,786,936,153.74 and 849,100,987.32 is: 1,171,866,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,762,686 : 1,786,936,153.74 = 849,100,987.32 : x
  2. Step 2: Convert to fraction form
    1,294,762,686/1,786,936,153.74 = 849,100,987.32/x
  3. Step 3: Cross multiply
    1,294,762,686x = 1,786,936,153.74 × 849,100,987.32
  4. Step 4: Simplify right side
    1,294,762,686x = 1,517,289,252,418,437,376
  5. Step 5: Solve for x
    x = 1,517,289,252,418,437,376/1,294,762,686
  6. Step 6: Final answer
    x = 1,171,866,681.69

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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.