Home / 389,682,482.08-537,757,541.18-211,061,926.96

Finding the Fourth Proportional to 389,682,482.08, 537,757,541.18 and 211,061,926.96

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Solution

The fourth proportional to 389,682,482.08, 537,757,541.18 and 211,061,926.96 is: 291,263,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,682,482.08 : 537,757,541.18 = 211,061,926.96 : x
  2. Step 2: Convert to fraction form
    389,682,482.08/537,757,541.18 = 211,061,926.96/x
  3. Step 3: Cross multiply
    389,682,482.08x = 537,757,541.18 × 211,061,926.96
  4. Step 4: Simplify right side
    389,682,482.08x = 113,500,142,878,722,352
  5. Step 5: Solve for x
    x = 113,500,142,878,722,352/389,682,482.08
  6. Step 6: Final answer
    x = 291,263,138.83

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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.