Home / 328,437,838.98-453,225,776.77-179,758,657.12

Finding the Fourth Proportional to 328,437,838.98, 453,225,776.77 and 179,758,657.12

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Solution

The fourth proportional to 328,437,838.98, 453,225,776.77 and 179,758,657.12 is: 248,056,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,437,838.98 : 453,225,776.77 = 179,758,657.12 : x
  2. Step 2: Convert to fraction form
    328,437,838.98/453,225,776.77 = 179,758,657.12/x
  3. Step 3: Cross multiply
    328,437,838.98x = 453,225,776.77 × 179,758,657.12
  4. Step 4: Simplify right side
    328,437,838.98x = 81,471,257,004,344,096
  5. Step 5: Solve for x
    x = 81,471,257,004,344,096/328,437,838.98
  6. Step 6: Final answer
    x = 248,056,853.79

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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.