Home / 897,059,615.80-1,345,589,423.70-800,313,734.20

Finding the Fourth Proportional to 897,059,615.80, 1,345,589,423.70 and 800,313,734.20

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Solution

The fourth proportional to 897,059,615.80, 1,345,589,423.70 and 800,313,734.20 is: 1,200,470,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,059,615.80 : 1,345,589,423.70 = 800,313,734.20 : x
  2. Step 2: Convert to fraction form
    897,059,615.80/1,345,589,423.70 = 800,313,734.20/x
  3. Step 3: Cross multiply
    897,059,615.80x = 1,345,589,423.70 × 800,313,734.20
  4. Step 4: Simplify right side
    897,059,615.80x = 1,076,893,696,381,373,056
  5. Step 5: Solve for x
    x = 1,076,893,696,381,373,056/897,059,615.80
  6. Step 6: Final answer
    x = 1,200,470,601.30

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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.