Home / 284,631,725,424.53-392,799,008,161.59-156,173,139,997.09

Finding the Fourth Proportional to 284,631,725,424.53, 392,799,008,161.59 and 156,173,139,997.09

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Solution

The fourth proportional to 284,631,725,424.53, 392,799,008,161.59 and 156,173,139,997.09 is: 215,522,898,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,631,725,424.53 : 392,799,008,161.59 = 156,173,139,997.09 : x
  2. Step 2: Convert to fraction form
    284,631,725,424.53/392,799,008,161.59 = 156,173,139,997.09/x
  3. Step 3: Cross multiply
    284,631,725,424.53x = 392,799,008,161.59 × 156,173,139,997.09
  4. Step 4: Simplify right side
    284,631,725,424.53x = 61,344,654,492,338,097,225,728
  5. Step 5: Solve for x
    x = 61,344,654,492,338,097,225,728/284,631,725,424.53
  6. Step 6: Final answer
    x = 215,522,898,583.57

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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.