Home / 1,177,489,871.66-1,624,946,919.16-648,872,774.25

Finding the Fourth Proportional to 1,177,489,871.66, 1,624,946,919.16 and 648,872,774.25

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Solution

The fourth proportional to 1,177,489,871.66, 1,624,946,919.16 and 648,872,774.25 is: 895,450,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,489,871.66 : 1,624,946,919.16 = 648,872,774.25 : x
  2. Step 2: Convert to fraction form
    1,177,489,871.66/1,624,946,919.16 = 648,872,774.25/x
  3. Step 3: Cross multiply
    1,177,489,871.66x = 1,624,946,919.16 × 648,872,774.25
  4. Step 4: Simplify right side
    1,177,489,871.66x = 1,054,383,815,444,339,712
  5. Step 5: Solve for x
    x = 1,054,383,815,444,339,712/1,177,489,871.66
  6. Step 6: Final answer
    x = 895,450,433.01

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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.