Home / 14,752,191,667.64-20,358,085,837.52-7,978,010,246.78

Finding the Fourth Proportional to 14,752,191,667.64, 20,358,085,837.52 and 7,978,010,246.78

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Solution

The fourth proportional to 14,752,191,667.64, 20,358,085,837.52 and 7,978,010,246.78 is: 11,009,687,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752,191,667.64 : 20,358,085,837.52 = 7,978,010,246.78 : x
  2. Step 2: Convert to fraction form
    14,752,191,667.64/20,358,085,837.52 = 7,978,010,246.78/x
  3. Step 3: Cross multiply
    14,752,191,667.64x = 20,358,085,837.52 × 7,978,010,246.78
  4. Step 4: Simplify right side
    14,752,191,667.64x = 162,417,017,416,475,508,736
  5. Step 5: Solve for x
    x = 162,417,017,416,475,508,736/14,752,191,667.64
  6. Step 6: Final answer
    x = 11,009,687,311.26

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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.