Home / 874,142,933.76-1,311,356,701.44-408,270,228.48

Finding the Fourth Proportional to 874,142,933.76, 1,311,356,701.44 and 408,270,228.48

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Solution

The fourth proportional to 874,142,933.76, 1,311,356,701.44 and 408,270,228.48 is: 612,471,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,142,933.76 : 1,311,356,701.44 = 408,270,228.48 : x
  2. Step 2: Convert to fraction form
    874,142,933.76/1,311,356,701.44 = 408,270,228.48/x
  3. Step 3: Cross multiply
    874,142,933.76x = 1,311,356,701.44 × 408,270,228.48
  4. Step 4: Simplify right side
    874,142,933.76x = 535,387,900,115,688,000
  5. Step 5: Solve for x
    x = 535,387,900,115,688,000/874,142,933.76
  6. Step 6: Final answer
    x = 612,471,804.60

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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.