Home / 1,195,078,215.16-1,792,620,685.77-458,373,941.56

Finding the Fourth Proportional to 1,195,078,215.16, 1,792,620,685.77 and 458,373,941.56

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Solution

The fourth proportional to 1,195,078,215.16, 1,792,620,685.77 and 458,373,941.56 is: 687,562,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,078,215.16 : 1,792,620,685.77 = 458,373,941.56 : x
  2. Step 2: Convert to fraction form
    1,195,078,215.16/1,792,620,685.77 = 458,373,941.56/x
  3. Step 3: Cross multiply
    1,195,078,215.16x = 1,792,620,685.77 × 458,373,941.56
  4. Step 4: Simplify right side
    1,195,078,215.16x = 821,690,609,458,385,152
  5. Step 5: Solve for x
    x = 821,690,609,458,385,152/1,195,078,215.16
  6. Step 6: Final answer
    x = 687,562,202.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.