Home / 3,491,145,818.08-4,817,883,367.92-1,905,339,487.84

Finding the Fourth Proportional to 3,491,145,818.08, 4,817,883,367.92 and 1,905,339,487.84

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Solution

The fourth proportional to 3,491,145,818.08, 4,817,883,367.92 and 1,905,339,487.84 is: 2,629,424,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,145,818.08 : 4,817,883,367.92 = 1,905,339,487.84 : x
  2. Step 2: Convert to fraction form
    3,491,145,818.08/4,817,883,367.92 = 1,905,339,487.84/x
  3. Step 3: Cross multiply
    3,491,145,818.08x = 4,817,883,367.92 × 1,905,339,487.84
  4. Step 4: Simplify right side
    3,491,145,818.08x = 9,179,703,428,705,547,264
  5. Step 5: Solve for x
    x = 9,179,703,428,705,547,264/3,491,145,818.08
  6. Step 6: Final answer
    x = 2,629,424,236.93

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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.