Home / 6,989,848,039.26-9,645,925,103.84-3,818,030,741.82

Finding the Fourth Proportional to 6,989,848,039.26, 9,645,925,103.84 and 3,818,030,741.82

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Solution

The fourth proportional to 6,989,848,039.26, 9,645,925,103.84 and 3,818,030,741.82 is: 5,268,846,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,848,039.26 : 9,645,925,103.84 = 3,818,030,741.82 : x
  2. Step 2: Convert to fraction form
    6,989,848,039.26/9,645,925,103.84 = 3,818,030,741.82/x
  3. Step 3: Cross multiply
    6,989,848,039.26x = 9,645,925,103.84 × 3,818,030,741.82
  4. Step 4: Simplify right side
    6,989,848,039.26x = 36,828,438,579,754,397,696
  5. Step 5: Solve for x
    x = 36,828,438,579,754,397,696/6,989,848,039.26
  6. Step 6: Final answer
    x = 5,268,846,815.11

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Double scale
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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.