Home / 669,352,478.80-1,004,028,718.20-474,207,343.60

Finding the Fourth Proportional to 669,352,478.80, 1,004,028,718.20 and 474,207,343.60

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Solution

The fourth proportional to 669,352,478.80, 1,004,028,718.20 and 474,207,343.60 is: 711,311,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,352,478.80 : 1,004,028,718.20 = 474,207,343.60 : x
  2. Step 2: Convert to fraction form
    669,352,478.80/1,004,028,718.20 = 474,207,343.60/x
  3. Step 3: Cross multiply
    669,352,478.80x = 1,004,028,718.20 × 474,207,343.60
  4. Step 4: Simplify right side
    669,352,478.80x = 476,117,791,355,735,040
  5. Step 5: Solve for x
    x = 476,117,791,355,735,040/669,352,478.80
  6. Step 6: Final answer
    x = 711,311,015.40

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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.