Home / 1,380,647,210.08-2,070,978,557.64-460,521,022.72

Finding the Fourth Proportional to 1,380,647,210.08, 2,070,978,557.64 and 460,521,022.72

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Solution

The fourth proportional to 1,380,647,210.08, 2,070,978,557.64 and 460,521,022.72 is: 690,784,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,647,210.08 : 2,070,978,557.64 = 460,521,022.72 : x
  2. Step 2: Convert to fraction form
    1,380,647,210.08/2,070,978,557.64 = 460,521,022.72/x
  3. Step 3: Cross multiply
    1,380,647,210.08x = 2,070,978,557.64 × 460,521,022.72
  4. Step 4: Simplify right side
    1,380,647,210.08x = 953,729,163,395,563,392
  5. Step 5: Solve for x
    x = 953,729,163,395,563,392/1,380,647,210.08
  6. Step 6: Final answer
    x = 690,784,116.63

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1.5x scale

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.