Home / 551,521,188.53-761,076,338.58-300,620,059.02

Finding the Fourth Proportional to 551,521,188.53, 761,076,338.58 and 300,620,059.02

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Solution

The fourth proportional to 551,521,188.53, 761,076,338.58 and 300,620,059.02 is: 414,843,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,521,188.53 : 761,076,338.58 = 300,620,059.02 : x
  2. Step 2: Convert to fraction form
    551,521,188.53/761,076,338.58 = 300,620,059.02/x
  3. Step 3: Cross multiply
    551,521,188.53x = 761,076,338.58 × 300,620,059.02
  4. Step 4: Simplify right side
    551,521,188.53x = 228,794,813,822,645,088
  5. Step 5: Solve for x
    x = 228,794,813,822,645,088/551,521,188.53
  6. Step 6: Final answer
    x = 414,843,198.38

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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.