Home / 540,583,422.60-746,060,725.36-328,905,280.86

Finding the Fourth Proportional to 540,583,422.60, 746,060,725.36 and 328,905,280.86

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Solution

The fourth proportional to 540,583,422.60, 746,060,725.36 and 328,905,280.86 is: 453,923,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,583,422.60 : 746,060,725.36 = 328,905,280.86 : x
  2. Step 2: Convert to fraction form
    540,583,422.60/746,060,725.36 = 328,905,280.86/x
  3. Step 3: Cross multiply
    540,583,422.60x = 746,060,725.36 × 328,905,280.86
  4. Step 4: Simplify right side
    540,583,422.60x = 245,383,312,413,146,144
  5. Step 5: Solve for x
    x = 245,383,312,413,146,144/540,583,422.60
  6. Step 6: Final answer
    x = 453,923,117.42

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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.