Home / 827,108,327.20-1,141,409,496.72-455,830,363.84

Finding the Fourth Proportional to 827,108,327.20, 1,141,409,496.72 and 455,830,363.84

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Solution

The fourth proportional to 827,108,327.20, 1,141,409,496.72 and 455,830,363.84 is: 629,045,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,108,327.20 : 1,141,409,496.72 = 455,830,363.84 : x
  2. Step 2: Convert to fraction form
    827,108,327.20/1,141,409,496.72 = 455,830,363.84/x
  3. Step 3: Cross multiply
    827,108,327.20x = 1,141,409,496.72 × 455,830,363.84
  4. Step 4: Simplify right side
    827,108,327.20x = 520,289,106,180,308,864
  5. Step 5: Solve for x
    x = 520,289,106,180,308,864/827,108,327.20
  6. Step 6: Final answer
    x = 629,045,904.96

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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.