Home / 743,203,957.94-1,025,686,812.64-408,735,426.42

Finding the Fourth Proportional to 743,203,957.94, 1,025,686,812.64 and 408,735,426.42

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Solution

The fourth proportional to 743,203,957.94, 1,025,686,812.64 and 408,735,426.42 is: 564,090,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,203,957.94 : 1,025,686,812.64 = 408,735,426.42 : x
  2. Step 2: Convert to fraction form
    743,203,957.94/1,025,686,812.64 = 408,735,426.42/x
  3. Step 3: Cross multiply
    743,203,957.94x = 1,025,686,812.64 × 408,735,426.42
  4. Step 4: Simplify right side
    743,203,957.94x = 419,234,536,737,781,056
  5. Step 5: Solve for x
    x = 419,234,536,737,781,056/743,203,957.94
  6. Step 6: Final answer
    x = 564,090,828.98

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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.