Home / 379,611,439.38-569,269,944.54-130,569,341.72

Finding the Fourth Proportional to 379,611,439.38, 569,269,944.54 and 130,569,341.72

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Solution

The fourth proportional to 379,611,439.38, 569,269,944.54 and 130,569,341.72 is: 195,803,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,611,439.38 : 569,269,944.54 = 130,569,341.72 : x
  2. Step 2: Convert to fraction form
    379,611,439.38/569,269,944.54 = 130,569,341.72/x
  3. Step 3: Cross multiply
    379,611,439.38x = 569,269,944.54 × 130,569,341.72
  4. Step 4: Simplify right side
    379,611,439.38x = 74,329,201,916,722,352
  5. Step 5: Solve for x
    x = 74,329,201,916,722,352/379,611,439.38
  6. Step 6: Final answer
    x = 195,803,377.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.