Home / 1,079,289,282.96-1,489,429,471.84-633,260,233.92

Finding the Fourth Proportional to 1,079,289,282.96, 1,489,429,471.84 and 633,260,233.92

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Solution

The fourth proportional to 1,079,289,282.96, 1,489,429,471.84 and 633,260,233.92 is: 873,905,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,289,282.96 : 1,489,429,471.84 = 633,260,233.92 : x
  2. Step 2: Convert to fraction form
    1,079,289,282.96/1,489,429,471.84 = 633,260,233.92/x
  3. Step 3: Cross multiply
    1,079,289,282.96x = 1,489,429,471.84 × 633,260,233.92
  4. Step 4: Simplify right side
    1,079,289,282.96x = 943,196,455,744,740,352
  5. Step 5: Solve for x
    x = 943,196,455,744,740,352/1,079,289,282.96
  6. Step 6: Final answer
    x = 873,905,143.54

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Half scale
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Double scale
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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.