Home / 1,474,944,035.31-2,212,129,037.16-425,608,466.40

Finding the Fourth Proportional to 1,474,944,035.31, 2,212,129,037.16 and 425,608,466.40

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Solution

The fourth proportional to 1,474,944,035.31, 2,212,129,037.16 and 425,608,466.40 is: 638,329,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,944,035.31 : 2,212,129,037.16 = 425,608,466.40 : x
  2. Step 2: Convert to fraction form
    1,474,944,035.31/2,212,129,037.16 = 425,608,466.40/x
  3. Step 3: Cross multiply
    1,474,944,035.31x = 2,212,129,037.16 × 425,608,466.40
  4. Step 4: Simplify right side
    1,474,944,035.31x = 941,500,846,984,576,128
  5. Step 5: Solve for x
    x = 941,500,846,984,576,128/1,474,944,035.31
  6. Step 6: Final answer
    x = 638,329,878.59

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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.