Home / 1,891,047,888.81-2,840,876,505.09-1,368,030,228.66

Finding the Fourth Proportional to 1,891,047,888.81, 2,840,876,505.09 and 1,368,030,228.66

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Solution

The fourth proportional to 1,891,047,888.81, 2,840,876,505.09 and 1,368,030,228.66 is: 2,055,159,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,047,888.81 : 2,840,876,505.09 = 1,368,030,228.66 : x
  2. Step 2: Convert to fraction form
    1,891,047,888.81/2,840,876,505.09 = 1,368,030,228.66/x
  3. Step 3: Cross multiply
    1,891,047,888.81x = 2,840,876,505.09 × 1,368,030,228.66
  4. Step 4: Simplify right side
    1,891,047,888.81x = 3,886,404,934,853,094,912
  5. Step 5: Solve for x
    x = 3,886,404,934,853,094,912/1,891,047,888.81
  6. Step 6: Final answer
    x = 2,055,159,447.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.