Home / 1,210,060,235.20-1,815,090,352.80-796,811,713.60

Finding the Fourth Proportional to 1,210,060,235.20, 1,815,090,352.80 and 796,811,713.60

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Solution

The fourth proportional to 1,210,060,235.20, 1,815,090,352.80 and 796,811,713.60 is: 1,195,217,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,060,235.20 : 1,815,090,352.80 = 796,811,713.60 : x
  2. Step 2: Convert to fraction form
    1,210,060,235.20/1,815,090,352.80 = 796,811,713.60/x
  3. Step 3: Cross multiply
    1,210,060,235.20x = 1,815,090,352.80 × 796,811,713.60
  4. Step 4: Simplify right side
    1,210,060,235.20x = 1,446,285,254,353,396,480
  5. Step 5: Solve for x
    x = 1,446,285,254,353,396,480/1,210,060,235.20
  6. Step 6: Final answer
    x = 1,195,217,570.40

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Half scale
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Double scale
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Similar ratio
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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.