Home / 13,606,008,029.96-18,776,290,928.82-7,347,758,813.96

Finding the Fourth Proportional to 13,606,008,029.96, 18,776,290,928.82 and 7,347,758,813.96

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Solution

The fourth proportional to 13,606,008,029.96, 18,776,290,928.82 and 7,347,758,813.96 is: 10,139,907,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,008,029.96 : 18,776,290,928.82 = 7,347,758,813.96 : x
  2. Step 2: Convert to fraction form
    13,606,008,029.96/18,776,290,928.82 = 7,347,758,813.96/x
  3. Step 3: Cross multiply
    13,606,008,029.96x = 18,776,290,928.82 × 7,347,758,813.96
  4. Step 4: Simplify right side
    13,606,008,029.96x = 137,963,657,165,714,341,888
  5. Step 5: Solve for x
    x = 137,963,657,165,714,341,888/13,606,008,029.96
  6. Step 6: Final answer
    x = 10,139,907,080.90

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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.