Home / 800,735,999.40-1,201,103,999.10-493,030,348.20

Finding the Fourth Proportional to 800,735,999.40, 1,201,103,999.10 and 493,030,348.20

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Solution

The fourth proportional to 800,735,999.40, 1,201,103,999.10 and 493,030,348.20 is: 739,545,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,735,999.40 : 1,201,103,999.10 = 493,030,348.20 : x
  2. Step 2: Convert to fraction form
    800,735,999.40/1,201,103,999.10 = 493,030,348.20/x
  3. Step 3: Cross multiply
    800,735,999.40x = 1,201,103,999.10 × 493,030,348.20
  4. Step 4: Simplify right side
    800,735,999.40x = 592,180,722,900,685,440
  5. Step 5: Solve for x
    x = 592,180,722,900,685,440/800,735,999.40
  6. Step 6: Final answer
    x = 739,545,522.30

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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.