Home / 1,949,989,873.72-2,690,991,135.94-1,057,916,554.12

Finding the Fourth Proportional to 1,949,989,873.72, 2,690,991,135.94 and 1,057,916,554.12

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Solution

The fourth proportional to 1,949,989,873.72, 2,690,991,135.94 and 1,057,916,554.12 is: 1,459,927,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,989,873.72 : 2,690,991,135.94 = 1,057,916,554.12 : x
  2. Step 2: Convert to fraction form
    1,949,989,873.72/2,690,991,135.94 = 1,057,916,554.12/x
  3. Step 3: Cross multiply
    1,949,989,873.72x = 2,690,991,135.94 × 1,057,916,554.12
  4. Step 4: Simplify right side
    1,949,989,873.72x = 2,846,844,069,701,109,248
  5. Step 5: Solve for x
    x = 2,846,844,069,701,109,248/1,949,989,873.72
  6. Step 6: Final answer
    x = 1,459,927,617.10

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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.