Home / 1,180,876,639.20-1,772,322,728.40-526,834,168.80

Finding the Fourth Proportional to 1,180,876,639.20, 1,772,322,728.40 and 526,834,168.80

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Solution

The fourth proportional to 1,180,876,639.20, 1,772,322,728.40 and 526,834,168.80 is: 790,700,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,876,639.20 : 1,772,322,728.40 = 526,834,168.80 : x
  2. Step 2: Convert to fraction form
    1,180,876,639.20/1,772,322,728.40 = 526,834,168.80/x
  3. Step 3: Cross multiply
    1,180,876,639.20x = 1,772,322,728.40 × 526,834,168.80
  4. Step 4: Simplify right side
    1,180,876,639.20x = 933,720,171,461,962,240
  5. Step 5: Solve for x
    x = 933,720,171,461,962,240/1,180,876,639.20
  6. Step 6: Final answer
    x = 790,700,857.71

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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.