Home / 1,082,009,684-1,493,173,363.92-618,445,621.28

Finding the Fourth Proportional to 1,082,009,684, 1,493,173,363.92 and 618,445,621.28

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Solution

The fourth proportional to 1,082,009,684, 1,493,173,363.92 and 618,445,621.28 is: 853,454,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,009,684 : 1,493,173,363.92 = 618,445,621.28 : x
  2. Step 2: Convert to fraction form
    1,082,009,684/1,493,173,363.92 = 618,445,621.28/x
  3. Step 3: Cross multiply
    1,082,009,684x = 1,493,173,363.92 × 618,445,621.28
  4. Step 4: Simplify right side
    1,082,009,684x = 923,446,528,728,251,904
  5. Step 5: Solve for x
    x = 923,446,528,728,251,904/1,082,009,684
  6. Step 6: Final answer
    x = 853,454,957.37

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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.