Home / 648,163,765.15-972,287,425.53-227,933,585.03

Finding the Fourth Proportional to 648,163,765.15, 972,287,425.53 and 227,933,585.03

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Solution

The fourth proportional to 648,163,765.15, 972,287,425.53 and 227,933,585.03 is: 341,915,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,163,765.15 : 972,287,425.53 = 227,933,585.03 : x
  2. Step 2: Convert to fraction form
    648,163,765.15/972,287,425.53 = 227,933,585.03/x
  3. Step 3: Cross multiply
    648,163,765.15x = 972,287,425.53 × 227,933,585.03
  4. Step 4: Simplify right side
    648,163,765.15x = 221,616,958,583,072,768
  5. Step 5: Solve for x
    x = 221,616,958,583,072,768/648,163,765.15
  6. Step 6: Final answer
    x = 341,915,069.15

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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.