Home / 1,784,818,950.21-2,463,109,964.88-991,898,349.39

Finding the Fourth Proportional to 1,784,818,950.21, 2,463,109,964.88 and 991,898,349.39

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Solution

The fourth proportional to 1,784,818,950.21, 2,463,109,964.88 and 991,898,349.39 is: 1,368,852,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,818,950.21 : 2,463,109,964.88 = 991,898,349.39 : x
  2. Step 2: Convert to fraction form
    1,784,818,950.21/2,463,109,964.88 = 991,898,349.39/x
  3. Step 3: Cross multiply
    1,784,818,950.21x = 2,463,109,964.88 × 991,898,349.39
  4. Step 4: Simplify right side
    1,784,818,950.21x = 2,443,154,708,530,532,864
  5. Step 5: Solve for x
    x = 2,443,154,708,530,532,864/1,784,818,950.21
  6. Step 6: Final answer
    x = 1,368,852,963.07

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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.