Home / 1,991,144,045.53-2,747,779,051.78-1,099,070,940.39

Finding the Fourth Proportional to 1,991,144,045.53, 2,747,779,051.78 and 1,099,070,940.39

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Solution

The fourth proportional to 1,991,144,045.53, 2,747,779,051.78 and 1,099,070,940.39 is: 1,516,718,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,144,045.53 : 2,747,779,051.78 = 1,099,070,940.39 : x
  2. Step 2: Convert to fraction form
    1,991,144,045.53/2,747,779,051.78 = 1,099,070,940.39/x
  3. Step 3: Cross multiply
    1,991,144,045.53x = 2,747,779,051.78 × 1,099,070,940.39
  4. Step 4: Simplify right side
    1,991,144,045.53x = 3,020,004,106,423,787,520
  5. Step 5: Solve for x
    x = 3,020,004,106,423,787,520/1,991,144,045.53
  6. Step 6: Final answer
    x = 1,516,718,046.19

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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.