Home / 993,733,811.60-1,490,869,086.60-303,622,248.56

Finding the Fourth Proportional to 993,733,811.60, 1,490,869,086.60 and 303,622,248.56

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Solution

The fourth proportional to 993,733,811.60, 1,490,869,086.60 and 303,622,248.56 is: 455,515,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,733,811.60 : 1,490,869,086.60 = 303,622,248.56 : x
  2. Step 2: Convert to fraction form
    993,733,811.60/1,490,869,086.60 = 303,622,248.56/x
  3. Step 3: Cross multiply
    993,733,811.60x = 1,490,869,086.60 × 303,622,248.56
  4. Step 4: Simplify right side
    993,733,811.60x = 452,661,024,382,085,312
  5. Step 5: Solve for x
    x = 452,661,024,382,085,312/993,733,811.60
  6. Step 6: Final answer
    x = 455,515,369.51

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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.