Home / 800,735,789.40-1,201,103,684.10-493,030,138.20

Finding the Fourth Proportional to 800,735,789.40, 1,201,103,684.10 and 493,030,138.20

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Solution

The fourth proportional to 800,735,789.40, 1,201,103,684.10 and 493,030,138.20 is: 739,545,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,735,789.40 : 1,201,103,684.10 = 493,030,138.20 : x
  2. Step 2: Convert to fraction form
    800,735,789.40/1,201,103,684.10 = 493,030,138.20/x
  3. Step 3: Cross multiply
    800,735,789.40x = 1,201,103,684.10 × 493,030,138.20
  4. Step 4: Simplify right side
    800,735,789.40x = 592,180,315,364,352,128
  5. Step 5: Solve for x
    x = 592,180,315,364,352,128/800,735,789.40
  6. Step 6: Final answer
    x = 739,545,207.30

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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.