Home / 533,881,148.51-800,529,787.42-423,923,152.79

Finding the Fourth Proportional to 533,881,148.51, 800,529,787.42 and 423,923,152.79

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Solution

The fourth proportional to 533,881,148.51, 800,529,787.42 and 423,923,152.79 is: 635,652,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,881,148.51 : 800,529,787.42 = 423,923,152.79 : x
  2. Step 2: Convert to fraction form
    533,881,148.51/800,529,787.42 = 423,923,152.79/x
  3. Step 3: Cross multiply
    533,881,148.51x = 800,529,787.42 × 423,923,152.79
  4. Step 4: Simplify right side
    533,881,148.51x = 339,363,111,386,336,448
  5. Step 5: Solve for x
    x = 339,363,111,386,336,448/533,881,148.51
  6. Step 6: Final answer
    x = 635,652,920.75

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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.