Home / 551,521,186.84-761,076,336.25-300,620,057.33

Finding the Fourth Proportional to 551,521,186.84, 761,076,336.25 and 300,620,057.33

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Solution

The fourth proportional to 551,521,186.84, 761,076,336.25 and 300,620,057.33 is: 414,843,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,521,186.84 : 761,076,336.25 = 300,620,057.33 : x
  2. Step 2: Convert to fraction form
    551,521,186.84/761,076,336.25 = 300,620,057.33/x
  3. Step 3: Cross multiply
    551,521,186.84x = 761,076,336.25 × 300,620,057.33
  4. Step 4: Simplify right side
    551,521,186.84x = 228,794,811,838,259,808
  5. Step 5: Solve for x
    x = 228,794,811,838,259,808/551,521,186.84
  6. Step 6: Final answer
    x = 414,843,196.05

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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.