Home / 328,813,291.37-453,762,303.21-196,654,267.49

Finding the Fourth Proportional to 328,813,291.37, 453,762,303.21 and 196,654,267.49

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Solution

The fourth proportional to 328,813,291.37, 453,762,303.21 and 196,654,267.49 is: 271,382,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,813,291.37 : 453,762,303.21 = 196,654,267.49 : x
  2. Step 2: Convert to fraction form
    328,813,291.37/453,762,303.21 = 196,654,267.49/x
  3. Step 3: Cross multiply
    328,813,291.37x = 453,762,303.21 × 196,654,267.49
  4. Step 4: Simplify right side
    328,813,291.37x = 89,234,293,350,069,024
  5. Step 5: Solve for x
    x = 89,234,293,350,069,024/328,813,291.37
  6. Step 6: Final answer
    x = 271,382,865.87

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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.