Home / 263,736,002.40-395,604,003.60-212,717,666.40

Finding the Fourth Proportional to 263,736,002.40, 395,604,003.60 and 212,717,666.40

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Solution

The fourth proportional to 263,736,002.40, 395,604,003.60 and 212,717,666.40 is: 319,076,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,736,002.40 : 395,604,003.60 = 212,717,666.40 : x
  2. Step 2: Convert to fraction form
    263,736,002.40/395,604,003.60 = 212,717,666.40/x
  3. Step 3: Cross multiply
    263,736,002.40x = 395,604,003.60 × 212,717,666.40
  4. Step 4: Simplify right side
    263,736,002.40x = 84,151,960,464,289,200
  5. Step 5: Solve for x
    x = 84,151,960,464,289,200/263,736,002.40
  6. Step 6: Final answer
    x = 319,076,499.60

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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.