Home / 284,631,725,422.53-392,799,008,158.83-156,173,139,995.09

Finding the Fourth Proportional to 284,631,725,422.53, 392,799,008,158.83 and 156,173,139,995.09

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Solution

The fourth proportional to 284,631,725,422.53, 392,799,008,158.83 and 156,173,139,995.09 is: 215,522,898,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,631,725,422.53 : 392,799,008,158.83 = 156,173,139,995.09 : x
  2. Step 2: Convert to fraction form
    284,631,725,422.53/392,799,008,158.83 = 156,173,139,995.09/x
  3. Step 3: Cross multiply
    284,631,725,422.53x = 392,799,008,158.83 × 156,173,139,995.09
  4. Step 4: Simplify right side
    284,631,725,422.53x = 61,344,654,491,121,455,464,448
  5. Step 5: Solve for x
    x = 61,344,654,491,121,455,464,448/284,631,725,422.53
  6. Step 6: Final answer
    x = 215,522,898,580.81

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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.