Home / 7,815,533,495.20-10,785,541,386.64-4,247,311,230.88

Finding the Fourth Proportional to 7,815,533,495.20, 10,785,541,386.64 and 4,247,311,230.88

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Solution

The fourth proportional to 7,815,533,495.20, 10,785,541,386.64 and 4,247,311,230.88 is: 5,861,346,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,533,495.20 : 10,785,541,386.64 = 4,247,311,230.88 : x
  2. Step 2: Convert to fraction form
    7,815,533,495.20/10,785,541,386.64 = 4,247,311,230.88/x
  3. Step 3: Cross multiply
    7,815,533,495.20x = 10,785,541,386.64 × 4,247,311,230.88
  4. Step 4: Simplify right side
    7,815,533,495.20x = 45,809,551,062,597,115,904
  5. Step 5: Solve for x
    x = 45,809,551,062,597,115,904/7,815,533,495.20
  6. Step 6: Final answer
    x = 5,861,346,649.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.