Home / 328,359,196.40-453,140,992.32-179,693,234.96

Finding the Fourth Proportional to 328,359,196.40, 453,140,992.32 and 179,693,234.96

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Solution

The fourth proportional to 328,359,196.40, 453,140,992.32 and 179,693,234.96 is: 247,979,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,359,196.40 : 453,140,992.32 = 179,693,234.96 : x
  2. Step 2: Convert to fraction form
    328,359,196.40/453,140,992.32 = 179,693,234.96/x
  3. Step 3: Cross multiply
    328,359,196.40x = 453,140,992.32 × 179,693,234.96
  4. Step 4: Simplify right side
    328,359,196.40x = 81,426,370,802,965,312
  5. Step 5: Solve for x
    x = 81,426,370,802,965,312/328,359,196.40
  6. Step 6: Final answer
    x = 247,979,565.35

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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.