Home / 1,011,558,848.54-1,395,981,880-565,541,004.20

Finding the Fourth Proportional to 1,011,558,848.54, 1,395,981,880 and 565,541,004.20

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Solution

The fourth proportional to 1,011,558,848.54, 1,395,981,880 and 565,541,004.20 is: 780,463,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,558,848.54 : 1,395,981,880 = 565,541,004.20 : x
  2. Step 2: Convert to fraction form
    1,011,558,848.54/1,395,981,880 = 565,541,004.20/x
  3. Step 3: Cross multiply
    1,011,558,848.54x = 1,395,981,880 × 565,541,004.20
  4. Step 4: Simplify right side
    1,011,558,848.54x = 789,484,994,260,203,904
  5. Step 5: Solve for x
    x = 789,484,994,260,203,904/1,011,558,848.54
  6. Step 6: Final answer
    x = 780,463,732.19

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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.