Home / 1,011,559,166.32-1,395,982,318.28-565,541,322

Finding the Fourth Proportional to 1,011,559,166.32, 1,395,982,318.28 and 565,541,322

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Solution

The fourth proportional to 1,011,559,166.32, 1,395,982,318.28 and 565,541,322 is: 780,464,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,559,166.32 : 1,395,982,318.28 = 565,541,322 : x
  2. Step 2: Convert to fraction form
    1,011,559,166.32/1,395,982,318.28 = 565,541,322/x
  3. Step 3: Cross multiply
    1,011,559,166.32x = 1,395,982,318.28 × 565,541,322
  4. Step 4: Simplify right side
    1,011,559,166.32x = 789,485,685,768,695,936
  5. Step 5: Solve for x
    x = 789,485,685,768,695,936/1,011,559,166.32
  6. Step 6: Final answer
    x = 780,464,170.61

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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.