Home / 551,521,191.53-761,076,342.72-300,620,062.02

Finding the Fourth Proportional to 551,521,191.53, 761,076,342.72 and 300,620,062.02

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Solution

The fourth proportional to 551,521,191.53, 761,076,342.72 and 300,620,062.02 is: 414,843,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,521,191.53 : 761,076,342.72 = 300,620,062.02 : x
  2. Step 2: Convert to fraction form
    551,521,191.53/761,076,342.72 = 300,620,062.02/x
  3. Step 3: Cross multiply
    551,521,191.53x = 761,076,342.72 × 300,620,062.02
  4. Step 4: Simplify right side
    551,521,191.53x = 228,794,817,350,441,184
  5. Step 5: Solve for x
    x = 228,794,817,350,441,184/551,521,191.53
  6. Step 6: Final answer
    x = 414,843,202.52

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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.