Home / 384,586,886.24-530,752,327.50-217,318,886

Finding the Fourth Proportional to 384,586,886.24, 530,752,327.50 and 217,318,886

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Solution

The fourth proportional to 384,586,886.24, 530,752,327.50 and 217,318,886 is: 299,912,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,586,886.24 : 530,752,327.50 = 217,318,886 : x
  2. Step 2: Convert to fraction form
    384,586,886.24/530,752,327.50 = 217,318,886/x
  3. Step 3: Cross multiply
    384,586,886.24x = 530,752,327.50 × 217,318,886
  4. Step 4: Simplify right side
    384,586,886.24x = 115,342,504,554,207,168
  5. Step 5: Solve for x
    x = 115,342,504,554,207,168/384,586,886.24
  6. Step 6: Final answer
    x = 299,912,734.11

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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.