Home / 1,678,955,094-2,316,945,089.90-926,299,992.17

Finding the Fourth Proportional to 1,678,955,094, 2,316,945,089.90 and 926,299,992.17

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Solution

The fourth proportional to 1,678,955,094, 2,316,945,089.90 and 926,299,992.17 is: 1,278,286,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,955,094 : 2,316,945,089.90 = 926,299,992.17 : x
  2. Step 2: Convert to fraction form
    1,678,955,094/2,316,945,089.90 = 926,299,992.17/x
  3. Step 3: Cross multiply
    1,678,955,094x = 2,316,945,089.90 × 926,299,992.17
  4. Step 4: Simplify right side
    1,678,955,094x = 2,146,186,218,640,798,208
  5. Step 5: Solve for x
    x = 2,146,186,218,640,798,208/1,678,955,094
  6. Step 6: Final answer
    x = 1,278,286,850.14

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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.