Home / 257,529,807.20-386,294,710.80-197,063,631.20

Finding the Fourth Proportional to 257,529,807.20, 386,294,710.80 and 197,063,631.20

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Solution

The fourth proportional to 257,529,807.20, 386,294,710.80 and 197,063,631.20 is: 295,595,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,529,807.20 : 386,294,710.80 = 197,063,631.20 : x
  2. Step 2: Convert to fraction form
    257,529,807.20/386,294,710.80 = 197,063,631.20/x
  3. Step 3: Cross multiply
    257,529,807.20x = 386,294,710.80 × 197,063,631.20
  4. Step 4: Simplify right side
    257,529,807.20x = 76,124,638,423,601,856
  5. Step 5: Solve for x
    x = 76,124,638,423,601,856/257,529,807.20
  6. Step 6: Final answer
    x = 295,595,446.80

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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.