Home / 3,928,445,056.31-5,420,444,899.01-2,257,371,347.09

Finding the Fourth Proportional to 3,928,445,056.31, 5,420,444,899.01 and 2,257,371,347.09

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Solution

The fourth proportional to 3,928,445,056.31, 5,420,444,899.01 and 2,257,371,347.09 is: 3,114,707,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,445,056.31 : 5,420,444,899.01 = 2,257,371,347.09 : x
  2. Step 2: Convert to fraction form
    3,928,445,056.31/5,420,444,899.01 = 2,257,371,347.09/x
  3. Step 3: Cross multiply
    3,928,445,056.31x = 5,420,444,899.01 × 2,257,371,347.09
  4. Step 4: Simplify right side
    3,928,445,056.31x = 12,235,957,003,497,101,312
  5. Step 5: Solve for x
    x = 12,235,957,003,497,101,312/3,928,445,056.31
  6. Step 6: Final answer
    x = 3,114,707,429.56

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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.