Home / 840,949,101.66-1,160,474,633.21-483,689,709.48

Finding the Fourth Proportional to 840,949,101.66, 1,160,474,633.21 and 483,689,709.48

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Solution

The fourth proportional to 840,949,101.66, 1,160,474,633.21 and 483,689,709.48 is: 667,471,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,949,101.66 : 1,160,474,633.21 = 483,689,709.48 : x
  2. Step 2: Convert to fraction form
    840,949,101.66/1,160,474,633.21 = 483,689,709.48/x
  3. Step 3: Cross multiply
    840,949,101.66x = 1,160,474,633.21 × 483,689,709.48
  4. Step 4: Simplify right side
    840,949,101.66x = 561,309,638,197,463,744
  5. Step 5: Solve for x
    x = 561,309,638,197,463,744/840,949,101.66
  6. Step 6: Final answer
    x = 667,471,595.00

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Double scale
Find fourth proportional to 840,949,102.66, 1,160,474,634.59 and 483,689,710.48
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1.5x scale

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.