Home / 13,388,699,633.70-18,475,850,669.00-7,285,077,394.05

Finding the Fourth Proportional to 13,388,699,633.70, 18,475,850,669.00 and 7,285,077,394.05

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Solution

The fourth proportional to 13,388,699,633.70, 18,475,850,669.00 and 7,285,077,394.05 is: 10,053,104,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,699,633.70 : 18,475,850,669.00 = 7,285,077,394.05 : x
  2. Step 2: Convert to fraction form
    13,388,699,633.70/18,475,850,669.00 = 7,285,077,394.05/x
  3. Step 3: Cross multiply
    13,388,699,633.70x = 18,475,850,669.00 × 7,285,077,394.05
  4. Step 4: Simplify right side
    13,388,699,633.70x = 134,598,002,044,539,043,840
  5. Step 5: Solve for x
    x = 134,598,002,044,539,043,840/13,388,699,633.70
  6. Step 6: Final answer
    x = 10,053,104,911.38

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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.