Home / 284,006,178,063.38-391,940,845,710.84-157,276,631,439.38

Finding the Fourth Proportional to 284,006,178,063.38, 391,940,845,710.84 and 157,276,631,439.38

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Solution

The fourth proportional to 284,006,178,063.38, 391,940,845,710.84 and 157,276,631,439.38 is: 217,048,573,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,006,178,063.38 : 391,940,845,710.84 = 157,276,631,439.38 : x
  2. Step 2: Convert to fraction form
    284,006,178,063.38/391,940,845,710.84 = 157,276,631,439.38/x
  3. Step 3: Cross multiply
    284,006,178,063.38x = 391,940,845,710.84 × 157,276,631,439.38
  4. Step 4: Simplify right side
    284,006,178,063.38x = 61,643,135,936,902,689,980,416
  5. Step 5: Solve for x
    x = 61,643,135,936,902,689,980,416/284,006,178,063.38
  6. Step 6: Final answer
    x = 217,048,573,933.30

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1.5x scale

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.