Home / 1,969,357,463.61-2,717,778,121.94-1,077,263,775.12

Finding the Fourth Proportional to 1,969,357,463.61, 2,717,778,121.94 and 1,077,263,775.12

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Solution

The fourth proportional to 1,969,357,463.61, 2,717,778,121.94 and 1,077,263,775.12 is: 1,486,659,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,357,463.61 : 2,717,778,121.94 = 1,077,263,775.12 : x
  2. Step 2: Convert to fraction form
    1,969,357,463.61/2,717,778,121.94 = 1,077,263,775.12/x
  3. Step 3: Cross multiply
    1,969,357,463.61x = 2,717,778,121.94 × 1,077,263,775.12
  4. Step 4: Simplify right side
    1,969,357,463.61x = 2,927,763,919,579,628,032
  5. Step 5: Solve for x
    x = 2,927,763,919,579,628,032/1,969,357,463.61
  6. Step 6: Final answer
    x = 1,486,659,468.22

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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.