Home / 466,230,977.22-643,381,895.25-257,382,644.34

Finding the Fourth Proportional to 466,230,977.22, 643,381,895.25 and 257,382,644.34

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Solution

The fourth proportional to 466,230,977.22, 643,381,895.25 and 257,382,644.34 is: 355,178,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,230,977.22 : 643,381,895.25 = 257,382,644.34 : x
  2. Step 2: Convert to fraction form
    466,230,977.22/643,381,895.25 = 257,382,644.34/x
  3. Step 3: Cross multiply
    466,230,977.22x = 643,381,895.25 × 257,382,644.34
  4. Step 4: Simplify right side
    466,230,977.22x = 165,595,333,519,925,888
  5. Step 5: Solve for x
    x = 165,595,333,519,925,888/466,230,977.22
  6. Step 6: Final answer
    x = 355,178,745.32

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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.