Home / 11,881,163,676-16,379,622,541.44-9,478,002,709.92

Finding the Fourth Proportional to 11,881,163,676, 16,379,622,541.44 and 9,478,002,709.92

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Solution

The fourth proportional to 11,881,163,676, 16,379,622,541.44 and 9,478,002,709.92 is: 13,066,574,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,163,676 : 16,379,622,541.44 = 9,478,002,709.92 : x
  2. Step 2: Convert to fraction form
    11,881,163,676/16,379,622,541.44 = 9,478,002,709.92/x
  3. Step 3: Cross multiply
    11,881,163,676x = 16,379,622,541.44 × 9,478,002,709.92
  4. Step 4: Simplify right side
    11,881,163,676x = 155,246,106,835,235,045,376
  5. Step 5: Solve for x
    x = 155,246,106,835,235,045,376/11,881,163,676
  6. Step 6: Final answer
    x = 13,066,574,206.77

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1.5x scale

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.