Home / 827,106,924.96-1,141,407,562.86-455,828,960.52

Finding the Fourth Proportional to 827,106,924.96, 1,141,407,562.86 and 455,828,960.52

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Solution

The fourth proportional to 827,106,924.96, 1,141,407,562.86 and 455,828,960.52 is: 629,043,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,106,924.96 : 1,141,407,562.86 = 455,828,960.52 : x
  2. Step 2: Convert to fraction form
    827,106,924.96/1,141,407,562.86 = 455,828,960.52/x
  3. Step 3: Cross multiply
    827,106,924.96x = 1,141,407,562.86 × 455,828,960.52
  4. Step 4: Simplify right side
    827,106,924.96x = 520,286,622,908,140,288
  5. Step 5: Solve for x
    x = 520,286,622,908,140,288/827,106,924.96
  6. Step 6: Final answer
    x = 629,043,969.05

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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.