Home / 567,280,279.89-782,846,818.95-306,519,895.89

Finding the Fourth Proportional to 567,280,279.89, 782,846,818.95 and 306,519,895.89

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Solution

The fourth proportional to 567,280,279.89, 782,846,818.95 and 306,519,895.89 is: 422,997,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,280,279.89 : 782,846,818.95 = 306,519,895.89 : x
  2. Step 2: Convert to fraction form
    567,280,279.89/782,846,818.95 = 306,519,895.89/x
  3. Step 3: Cross multiply
    567,280,279.89x = 782,846,818.95 × 306,519,895.89
  4. Step 4: Simplify right side
    567,280,279.89x = 239,958,125,442,371,680
  5. Step 5: Solve for x
    x = 239,958,125,442,371,680/567,280,279.89
  6. Step 6: Final answer
    x = 422,997,474.00

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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.