Home / 873,764,406.20-1,310,646,609.30-530,898,793.40

Finding the Fourth Proportional to 873,764,406.20, 1,310,646,609.30 and 530,898,793.40

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Solution

The fourth proportional to 873,764,406.20, 1,310,646,609.30 and 530,898,793.40 is: 796,348,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,764,406.20 : 1,310,646,609.30 = 530,898,793.40 : x
  2. Step 2: Convert to fraction form
    873,764,406.20/1,310,646,609.30 = 530,898,793.40/x
  3. Step 3: Cross multiply
    873,764,406.20x = 1,310,646,609.30 × 530,898,793.40
  4. Step 4: Simplify right side
    873,764,406.20x = 695,820,703,451,171,200
  5. Step 5: Solve for x
    x = 695,820,703,451,171,200/873,764,406.20
  6. Step 6: Final answer
    x = 796,348,190.10

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1.5x scale

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.