Home / 563,134,338.44-777,205,467.60-312,294,516.92

Finding the Fourth Proportional to 563,134,338.44, 777,205,467.60 and 312,294,516.92

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Solution

The fourth proportional to 563,134,338.44, 777,205,467.60 and 312,294,516.92 is: 431,010,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,134,338.44 : 777,205,467.60 = 312,294,516.92 : x
  2. Step 2: Convert to fraction form
    563,134,338.44/777,205,467.60 = 312,294,516.92/x
  3. Step 3: Cross multiply
    563,134,338.44x = 777,205,467.60 × 312,294,516.92
  4. Step 4: Simplify right side
    563,134,338.44x = 242,717,006,051,724,736
  5. Step 5: Solve for x
    x = 242,717,006,051,724,736/563,134,338.44
  6. Step 6: Final answer
    x = 431,010,843.21

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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.