Home / 746,678,713.20-1,120,018,069.80-201,475,359.60

Finding the Fourth Proportional to 746,678,713.20, 1,120,018,069.80 and 201,475,359.60

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Solution

The fourth proportional to 746,678,713.20, 1,120,018,069.80 and 201,475,359.60 is: 302,213,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,678,713.20 : 1,120,018,069.80 = 201,475,359.60 : x
  2. Step 2: Convert to fraction form
    746,678,713.20/1,120,018,069.80 = 201,475,359.60/x
  3. Step 3: Cross multiply
    746,678,713.20x = 1,120,018,069.80 × 201,475,359.60
  4. Step 4: Simplify right side
    746,678,713.20x = 225,656,043,371,452,896
  5. Step 5: Solve for x
    x = 225,656,043,371,452,896/746,678,713.20
  6. Step 6: Final answer
    x = 302,213,039.40

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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.