Home / 810,018,024.49-1,215,018,179.38-196,602,250.24

Finding the Fourth Proportional to 810,018,024.49, 1,215,018,179.38 and 196,602,250.24

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Solution

The fourth proportional to 810,018,024.49, 1,215,018,179.38 and 196,602,250.24 is: 294,901,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,018,024.49 : 1,215,018,179.38 = 196,602,250.24 : x
  2. Step 2: Convert to fraction form
    810,018,024.49/1,215,018,179.38 = 196,602,250.24/x
  3. Step 3: Cross multiply
    810,018,024.49x = 1,215,018,179.38 × 196,602,250.24
  4. Step 4: Simplify right side
    810,018,024.49x = 238,875,308,148,616,000
  5. Step 5: Solve for x
    x = 238,875,308,148,616,000/810,018,024.49
  6. Step 6: Final answer
    x = 294,901,225.56

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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.