Home / 284,006,178,063.88-391,940,845,711.54-157,276,631,439.88

Finding the Fourth Proportional to 284,006,178,063.88, 391,940,845,711.54 and 157,276,631,439.88

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Solution

The fourth proportional to 284,006,178,063.88, 391,940,845,711.54 and 157,276,631,439.88 is: 217,048,573,933.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,006,178,063.88 : 391,940,845,711.54 = 157,276,631,439.88 : x
  2. Step 2: Convert to fraction form
    284,006,178,063.88/391,940,845,711.54 = 157,276,631,439.88/x
  3. Step 3: Cross multiply
    284,006,178,063.88x = 391,940,845,711.54 × 157,276,631,439.88
  4. Step 4: Simplify right side
    284,006,178,063.88x = 61,643,135,937,208,748,343,296
  5. Step 5: Solve for x
    x = 61,643,135,937,208,748,343,296/284,006,178,063.88
  6. Step 6: Final answer
    x = 217,048,573,933.99

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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.