Home / 695,402,300.20-1,043,103,450.30-210,665,122.60

Finding the Fourth Proportional to 695,402,300.20, 1,043,103,450.30 and 210,665,122.60

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Solution

The fourth proportional to 695,402,300.20, 1,043,103,450.30 and 210,665,122.60 is: 315,997,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,402,300.20 : 1,043,103,450.30 = 210,665,122.60 : x
  2. Step 2: Convert to fraction form
    695,402,300.20/1,043,103,450.30 = 210,665,122.60/x
  3. Step 3: Cross multiply
    695,402,300.20x = 1,043,103,450.30 × 210,665,122.60
  4. Step 4: Simplify right side
    695,402,300.20x = 219,745,516,241,932,480
  5. Step 5: Solve for x
    x = 219,745,516,241,932,480/695,402,300.20
  6. Step 6: Final answer
    x = 315,997,683.90

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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.