Home / 1,086,179,558.40-1,629,269,337.60-268,291,859.40

Finding the Fourth Proportional to 1,086,179,558.40, 1,629,269,337.60 and 268,291,859.40

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Solution

The fourth proportional to 1,086,179,558.40, 1,629,269,337.60 and 268,291,859.40 is: 402,437,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,179,558.40 : 1,629,269,337.60 = 268,291,859.40 : x
  2. Step 2: Convert to fraction form
    1,086,179,558.40/1,629,269,337.60 = 268,291,859.40/x
  3. Step 3: Cross multiply
    1,086,179,558.40x = 1,629,269,337.60 × 268,291,859.40
  4. Step 4: Simplify right side
    1,086,179,558.40x = 437,119,700,048,110,336
  5. Step 5: Solve for x
    x = 437,119,700,048,110,336/1,086,179,558.40
  6. Step 6: Final answer
    x = 402,437,789.10

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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.