Home / 1,260,157,523.97-1,890,236,285.96-340,032,386.37

Finding the Fourth Proportional to 1,260,157,523.97, 1,890,236,285.96 and 340,032,386.37

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Solution

The fourth proportional to 1,260,157,523.97, 1,890,236,285.96 and 340,032,386.37 is: 510,048,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,157,523.97 : 1,890,236,285.96 = 340,032,386.37 : x
  2. Step 2: Convert to fraction form
    1,260,157,523.97/1,890,236,285.96 = 340,032,386.37/x
  3. Step 3: Cross multiply
    1,260,157,523.97x = 1,890,236,285.96 × 340,032,386.37
  4. Step 4: Simplify right side
    1,260,157,523.97x = 642,741,555,116,444,288
  5. Step 5: Solve for x
    x = 642,741,555,116,444,288/1,260,157,523.97
  6. Step 6: Final answer
    x = 510,048,579.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.