Home / 1,178,624,257.12-1,767,449,969.16-402,332,445.10

Finding the Fourth Proportional to 1,178,624,257.12, 1,767,449,969.16 and 402,332,445.10

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Solution

The fourth proportional to 1,178,624,257.12, 1,767,449,969.16 and 402,332,445.10 is: 603,332,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,624,257.12 : 1,767,449,969.16 = 402,332,445.10 : x
  2. Step 2: Convert to fraction form
    1,178,624,257.12/1,767,449,969.16 = 402,332,445.10/x
  3. Step 3: Cross multiply
    1,178,624,257.12x = 1,767,449,969.16 × 402,332,445.10
  4. Step 4: Simplify right side
    1,178,624,257.12x = 711,102,467,684,062,464
  5. Step 5: Solve for x
    x = 711,102,467,684,062,464/1,178,624,257.12
  6. Step 6: Final answer
    x = 603,332,625.63

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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.