Home / 669,193,122.60-1,003,789,683.90-531,443,615.40

Finding the Fourth Proportional to 669,193,122.60, 1,003,789,683.90 and 531,443,615.40

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Solution

The fourth proportional to 669,193,122.60, 1,003,789,683.90 and 531,443,615.40 is: 797,165,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,193,122.60 : 1,003,789,683.90 = 531,443,615.40 : x
  2. Step 2: Convert to fraction form
    669,193,122.60/1,003,789,683.90 = 531,443,615.40/x
  3. Step 3: Cross multiply
    669,193,122.60x = 1,003,789,683.90 × 531,443,615.40
  4. Step 4: Simplify right side
    669,193,122.60x = 533,457,618,713,039,104
  5. Step 5: Solve for x
    x = 533,457,618,713,039,104/669,193,122.60
  6. Step 6: Final answer
    x = 797,165,423.10

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1.5x scale

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.