Home / 1,257,444,003.60-1,886,166,005.40-439,471,011.60

Finding the Fourth Proportional to 1,257,444,003.60, 1,886,166,005.40 and 439,471,011.60

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Solution

The fourth proportional to 1,257,444,003.60, 1,886,166,005.40 and 439,471,011.60 is: 659,206,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,444,003.60 : 1,886,166,005.40 = 439,471,011.60 : x
  2. Step 2: Convert to fraction form
    1,257,444,003.60/1,886,166,005.40 = 439,471,011.60/x
  3. Step 3: Cross multiply
    1,257,444,003.60x = 1,886,166,005.40 × 439,471,011.60
  4. Step 4: Simplify right side
    1,257,444,003.60x = 828,915,282,438,669,184
  5. Step 5: Solve for x
    x = 828,915,282,438,669,184/1,257,444,003.60
  6. Step 6: Final answer
    x = 659,206,517.40

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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.