Home / 709,763,683.05-979,511,488.11-427,594,949.22

Finding the Fourth Proportional to 709,763,683.05, 979,511,488.11 and 427,594,949.22

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Solution

The fourth proportional to 709,763,683.05, 979,511,488.11 and 427,594,949.22 is: 590,103,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,763,683.05 : 979,511,488.11 = 427,594,949.22 : x
  2. Step 2: Convert to fraction form
    709,763,683.05/979,511,488.11 = 427,594,949.22/x
  3. Step 3: Cross multiply
    709,763,683.05x = 979,511,488.11 × 427,594,949.22
  4. Step 4: Simplify right side
    709,763,683.05x = 418,834,165,018,802,112
  5. Step 5: Solve for x
    x = 418,834,165,018,802,112/709,763,683.05
  6. Step 6: Final answer
    x = 590,103,685.24

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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.