Home / 14,861,738,411.01-20,509,202,354.85-8,178,734,975.76

Finding the Fourth Proportional to 14,861,738,411.01, 20,509,202,354.85 and 8,178,734,975.76

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Solution

The fourth proportional to 14,861,738,411.01, 20,509,202,354.85 and 8,178,734,975.76 is: 11,286,656,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861,738,411.01 : 20,509,202,354.85 = 8,178,734,975.76 : x
  2. Step 2: Convert to fraction form
    14,861,738,411.01/20,509,202,354.85 = 8,178,734,975.76/x
  3. Step 3: Cross multiply
    14,861,738,411.01x = 20,509,202,354.85 × 8,178,734,975.76
  4. Step 4: Simplify right side
    14,861,738,411.01x = 167,739,330,624,551,026,688
  5. Step 5: Solve for x
    x = 167,739,330,624,551,026,688/14,861,738,411.01
  6. Step 6: Final answer
    x = 11,286,656,108.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.