Home / 2,160,763,308.77-2,980,940,291.92-1,446,528,977.05

Finding the Fourth Proportional to 2,160,763,308.77, 2,980,940,291.92 and 1,446,528,977.05

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Solution

The fourth proportional to 2,160,763,308.77, 2,980,940,291.92 and 1,446,528,977.05 is: 1,995,598,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,763,308.77 : 2,980,940,291.92 = 1,446,528,977.05 : x
  2. Step 2: Convert to fraction form
    2,160,763,308.77/2,980,940,291.92 = 1,446,528,977.05/x
  3. Step 3: Cross multiply
    2,160,763,308.77x = 2,980,940,291.92 × 1,446,528,977.05
  4. Step 4: Simplify right side
    2,160,763,308.77x = 4,312,016,511,118,166,016
  5. Step 5: Solve for x
    x = 4,312,016,511,118,166,016/2,160,763,308.77
  6. Step 6: Final answer
    x = 1,995,598,728.29

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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.