Home / 540,029,611.49-745,236,896.24-305,076,002.45

Finding the Fourth Proportional to 540,029,611.49, 745,236,896.24 and 305,076,002.45

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Solution

The fourth proportional to 540,029,611.49, 745,236,896.24 and 305,076,002.45 is: 421,002,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,029,611.49 : 745,236,896.24 = 305,076,002.45 : x
  2. Step 2: Convert to fraction form
    540,029,611.49/745,236,896.24 = 305,076,002.45/x
  3. Step 3: Cross multiply
    540,029,611.49x = 745,236,896.24 × 305,076,002.45
  4. Step 4: Simplify right side
    540,029,611.49x = 227,353,893,180,181,120
  5. Step 5: Solve for x
    x = 227,353,893,180,181,120/540,029,611.49
  6. Step 6: Final answer
    x = 421,002,641.98

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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.