Home / 376,583,989.44-519,826,876.96-282,769,146.40

Finding the Fourth Proportional to 376,583,989.44, 519,826,876.96 and 282,769,146.40

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Solution

The fourth proportional to 376,583,989.44, 519,826,876.96 and 282,769,146.40 is: 390,327,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,583,989.44 : 519,826,876.96 = 282,769,146.40 : x
  2. Step 2: Convert to fraction form
    376,583,989.44/519,826,876.96 = 282,769,146.40/x
  3. Step 3: Cross multiply
    376,583,989.44x = 519,826,876.96 × 282,769,146.40
  4. Step 4: Simplify right side
    376,583,989.44x = 146,991,002,273,757,024
  5. Step 5: Solve for x
    x = 146,991,002,273,757,024/376,583,989.44
  6. Step 6: Final answer
    x = 390,327,274.65

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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.