Home / 8,178,622,526.03-12,242,772,126.12-5,336,296,557.96

Finding the Fourth Proportional to 8,178,622,526.03, 12,242,772,126.12 and 5,336,296,557.96

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Solution

The fourth proportional to 8,178,622,526.03, 12,242,772,126.12 and 5,336,296,557.96 is: 7,988,027,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,622,526.03 : 12,242,772,126.12 = 5,336,296,557.96 : x
  2. Step 2: Convert to fraction form
    8,178,622,526.03/12,242,772,126.12 = 5,336,296,557.96/x
  3. Step 3: Cross multiply
    8,178,622,526.03x = 12,242,772,126.12 × 5,336,296,557.96
  4. Step 4: Simplify right side
    8,178,622,526.03x = 65,331,062,756,502,790,144
  5. Step 5: Solve for x
    x = 65,331,062,756,502,790,144/8,178,622,526.03
  6. Step 6: Final answer
    x = 7,988,027,635.29

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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.