Home / 284,006,178,111.43-391,940,845,777.14-157,276,631,487.43

Finding the Fourth Proportional to 284,006,178,111.43, 391,940,845,777.14 and 157,276,631,487.43

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Solution

The fourth proportional to 284,006,178,111.43, 391,940,845,777.14 and 157,276,631,487.43 is: 217,048,573,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,006,178,111.43 : 391,940,845,777.14 = 157,276,631,487.43 : x
  2. Step 2: Convert to fraction form
    284,006,178,111.43/391,940,845,777.14 = 157,276,631,487.43/x
  3. Step 3: Cross multiply
    284,006,178,111.43x = 391,940,845,777.14 × 157,276,631,487.43
  4. Step 4: Simplify right side
    284,006,178,111.43x = 61,643,135,966,162,884,493,312
  5. Step 5: Solve for x
    x = 61,643,135,966,162,884,493,312/284,006,178,111.43
  6. Step 6: Final answer
    x = 217,048,573,999.60

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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.