Home / 13,291,753,779.94-19,937,664,438.56-5,431,166,105.06

Finding the Fourth Proportional to 13,291,753,779.94, 19,937,664,438.56 and 5,431,166,105.06

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Solution

The fourth proportional to 13,291,753,779.94, 19,937,664,438.56 and 5,431,166,105.06 is: 8,146,762,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,753,779.94 : 19,937,664,438.56 = 5,431,166,105.06 : x
  2. Step 2: Convert to fraction form
    13,291,753,779.94/19,937,664,438.56 = 5,431,166,105.06/x
  3. Step 3: Cross multiply
    13,291,753,779.94x = 19,937,664,438.56 × 5,431,166,105.06
  4. Step 4: Simplify right side
    13,291,753,779.94x = 108,284,767,312,767,205,376
  5. Step 5: Solve for x
    x = 108,284,767,312,767,205,376/13,291,753,779.94
  6. Step 6: Final answer
    x = 8,146,762,955.86

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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.