Home / 18,724,672,821.63-28,082,711,235.15-11,163,596,978.28

Finding the Fourth Proportional to 18,724,672,821.63, 28,082,711,235.15 and 11,163,596,978.28

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Solution

The fourth proportional to 18,724,672,821.63, 28,082,711,235.15 and 11,163,596,978.28 is: 16,742,833,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,672,821.63 : 28,082,711,235.15 = 11,163,596,978.28 : x
  2. Step 2: Convert to fraction form
    18,724,672,821.63/28,082,711,235.15 = 11,163,596,978.28/x
  3. Step 3: Cross multiply
    18,724,672,821.63x = 28,082,711,235.15 × 11,163,596,978.28
  4. Step 4: Simplify right side
    18,724,672,821.63x = 313,504,070,286,630,387,712
  5. Step 5: Solve for x
    x = 313,504,070,286,630,387,712/18,724,672,821.63
  6. Step 6: Final answer
    x = 16,742,833,013.59

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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.