Home / 448,364,137.52-672,522,280.20-120,834,395.60

Finding the Fourth Proportional to 448,364,137.52, 672,522,280.20 and 120,834,395.60

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Solution

The fourth proportional to 448,364,137.52, 672,522,280.20 and 120,834,395.60 is: 181,245,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,364,137.52 : 672,522,280.20 = 120,834,395.60 : x
  2. Step 2: Convert to fraction form
    448,364,137.52/672,522,280.20 = 120,834,395.60/x
  3. Step 3: Cross multiply
    448,364,137.52x = 672,522,280.20 × 120,834,395.60
  4. Step 4: Simplify right side
    448,364,137.52x = 81,263,823,255,500,848
  5. Step 5: Solve for x
    x = 81,263,823,255,500,848/448,364,137.52
  6. Step 6: Final answer
    x = 181,245,145.31

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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.