Home / 810,018,047.52-1,215,018,213.84-196,602,273.24

Finding the Fourth Proportional to 810,018,047.52, 1,215,018,213.84 and 196,602,273.24

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Solution

The fourth proportional to 810,018,047.52, 1,215,018,213.84 and 196,602,273.24 is: 294,901,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,018,047.52 : 1,215,018,213.84 = 196,602,273.24 : x
  2. Step 2: Convert to fraction form
    810,018,047.52/1,215,018,213.84 = 196,602,273.24/x
  3. Step 3: Cross multiply
    810,018,047.52x = 1,215,018,213.84 × 196,602,273.24
  4. Step 4: Simplify right side
    810,018,047.52x = 238,875,342,868,948,416
  5. Step 5: Solve for x
    x = 238,875,342,868,948,416/810,018,047.52
  6. Step 6: Final answer
    x = 294,901,260.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.