Home / 469,108,665.67-647,368,182.08-257,419,038.11

Finding the Fourth Proportional to 469,108,665.67, 647,368,182.08 and 257,419,038.11

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Solution

The fourth proportional to 469,108,665.67, 647,368,182.08 and 257,419,038.11 is: 355,237,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,108,665.67 : 647,368,182.08 = 257,419,038.11 : x
  2. Step 2: Convert to fraction form
    469,108,665.67/647,368,182.08 = 257,419,038.11/x
  3. Step 3: Cross multiply
    469,108,665.67x = 647,368,182.08 × 257,419,038.11
  4. Step 4: Simplify right side
    469,108,665.67x = 166,644,894,729,529,024
  5. Step 5: Solve for x
    x = 166,644,894,729,529,024/469,108,665.67
  6. Step 6: Final answer
    x = 355,237,297.72

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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.