Home / 10,639,509,939.20-15,959,264,908.80-6,726,563,000.30

Finding the Fourth Proportional to 10,639,509,939.20, 15,959,264,908.80 and 6,726,563,000.30

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Solution

The fourth proportional to 10,639,509,939.20, 15,959,264,908.80 and 6,726,563,000.30 is: 10,089,844,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639,509,939.20 : 15,959,264,908.80 = 6,726,563,000.30 : x
  2. Step 2: Convert to fraction form
    10,639,509,939.20/15,959,264,908.80 = 6,726,563,000.30/x
  3. Step 3: Cross multiply
    10,639,509,939.20x = 15,959,264,908.80 × 6,726,563,000.30
  4. Step 4: Simplify right side
    10,639,509,939.20x = 107,351,000,847,520,235,520
  5. Step 5: Solve for x
    x = 107,351,000,847,520,235,520/10,639,509,939.20
  6. Step 6: Final answer
    x = 10,089,844,500.45

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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.