Home / 13,262,179,911.39-18,301,713,520.50-7,240,685,118.50

Finding the Fourth Proportional to 13,262,179,911.39, 18,301,713,520.50 and 7,240,685,118.50

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Solution

The fourth proportional to 13,262,179,911.39, 18,301,713,520.50 and 7,240,685,118.50 is: 9,992,093,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,179,911.39 : 18,301,713,520.50 = 7,240,685,118.50 : x
  2. Step 2: Convert to fraction form
    13,262,179,911.39/18,301,713,520.50 = 7,240,685,118.50/x
  3. Step 3: Cross multiply
    13,262,179,911.39x = 18,301,713,520.50 × 7,240,685,118.50
  4. Step 4: Simplify right side
    13,262,179,911.39x = 132,516,944,730,980,335,616
  5. Step 5: Solve for x
    x = 132,516,944,730,980,335,616/13,262,179,911.39
  6. Step 6: Final answer
    x = 9,992,093,729.42

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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.