Home / 1,972,979,602.07-2,959,111,787.54-792,512,516.43

Finding the Fourth Proportional to 1,972,979,602.07, 2,959,111,787.54 and 792,512,516.43

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Solution

The fourth proportional to 1,972,979,602.07, 2,959,111,787.54 and 792,512,516.43 is: 1,188,625,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,979,602.07 : 2,959,111,787.54 = 792,512,516.43 : x
  2. Step 2: Convert to fraction form
    1,972,979,602.07/2,959,111,787.54 = 792,512,516.43/x
  3. Step 3: Cross multiply
    1,972,979,602.07x = 2,959,111,787.54 × 792,512,516.43
  4. Step 4: Simplify right side
    1,972,979,602.07x = 2,345,133,129,137,038,336
  5. Step 5: Solve for x
    x = 2,345,133,129,137,038,336/1,972,979,602.07
  6. Step 6: Final answer
    x = 1,188,625,126.53

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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.