Home / 852,001,840.20-1,276,994,990.70-442,847,382.60

Finding the Fourth Proportional to 852,001,840.20, 1,276,994,990.70 and 442,847,382.60

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Solution

The fourth proportional to 852,001,840.20, 1,276,994,990.70 and 442,847,382.60 is: 663,747,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,001,840.20 : 1,276,994,990.70 = 442,847,382.60 : x
  2. Step 2: Convert to fraction form
    852,001,840.20/1,276,994,990.70 = 442,847,382.60/x
  3. Step 3: Cross multiply
    852,001,840.20x = 1,276,994,990.70 × 442,847,382.60
  4. Step 4: Simplify right side
    852,001,840.20x = 565,513,889,224,806,400
  5. Step 5: Solve for x
    x = 565,513,889,224,806,400/852,001,840.20
  6. Step 6: Final answer
    x = 663,747,262.67

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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.