Home / 13,388,699,620.39-18,475,850,650.63-7,285,077,380.74

Finding the Fourth Proportional to 13,388,699,620.39, 18,475,850,650.63 and 7,285,077,380.74

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Solution

The fourth proportional to 13,388,699,620.39, 18,475,850,650.63 and 7,285,077,380.74 is: 10,053,104,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,699,620.39 : 18,475,850,650.63 = 7,285,077,380.74 : x
  2. Step 2: Convert to fraction form
    13,388,699,620.39/18,475,850,650.63 = 7,285,077,380.74/x
  3. Step 3: Cross multiply
    13,388,699,620.39x = 18,475,850,650.63 × 7,285,077,380.74
  4. Step 4: Simplify right side
    13,388,699,620.39x = 134,598,001,664,835,026,944
  5. Step 5: Solve for x
    x = 134,598,001,664,835,026,944/13,388,699,620.39
  6. Step 6: Final answer
    x = 10,053,104,893.01

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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.