Home / 367,458,415.20-551,187,622.80-303,685,495.20

Finding the Fourth Proportional to 367,458,415.20, 551,187,622.80 and 303,685,495.20

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Solution

The fourth proportional to 367,458,415.20, 551,187,622.80 and 303,685,495.20 is: 455,528,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,458,415.20 : 551,187,622.80 = 303,685,495.20 : x
  2. Step 2: Convert to fraction form
    367,458,415.20/551,187,622.80 = 303,685,495.20/x
  3. Step 3: Cross multiply
    367,458,415.20x = 551,187,622.80 × 303,685,495.20
  4. Step 4: Simplify right side
    367,458,415.20x = 167,387,686,178,128,800
  5. Step 5: Solve for x
    x = 167,387,686,178,128,800/367,458,415.20
  6. Step 6: Final answer
    x = 455,528,242.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.