Home / 452,530,416.32-678,429,317.32-141,477,921.20

Finding the Fourth Proportional to 452,530,416.32, 678,429,317.32 and 141,477,921.20

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Solution

The fourth proportional to 452,530,416.32, 678,429,317.32 and 141,477,921.20 is: 212,102,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,530,416.32 : 678,429,317.32 = 141,477,921.20 : x
  2. Step 2: Convert to fraction form
    452,530,416.32/678,429,317.32 = 141,477,921.20/x
  3. Step 3: Cross multiply
    452,530,416.32x = 678,429,317.32 × 141,477,921.20
  4. Step 4: Simplify right side
    452,530,416.32x = 95,982,769,495,568,752
  5. Step 5: Solve for x
    x = 95,982,769,495,568,752/452,530,416.32
  6. Step 6: Final answer
    x = 212,102,360.49

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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.