Home / 13,880,242,503.38-19,154,734,654.67-7,939,795,005.38

Finding the Fourth Proportional to 13,880,242,503.38, 19,154,734,654.67 and 7,939,795,005.38

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Solution

The fourth proportional to 13,880,242,503.38, 19,154,734,654.67 and 7,939,795,005.38 is: 10,956,917,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880,242,503.38 : 19,154,734,654.67 = 7,939,795,005.38 : x
  2. Step 2: Convert to fraction form
    13,880,242,503.38/19,154,734,654.67 = 7,939,795,005.38/x
  3. Step 3: Cross multiply
    13,880,242,503.38x = 19,154,734,654.67 × 7,939,795,005.38
  4. Step 4: Simplify right side
    13,880,242,503.38x = 152,084,666,540,392,611,840
  5. Step 5: Solve for x
    x = 152,084,666,540,392,611,840/13,880,242,503.38
  6. Step 6: Final answer
    x = 10,956,917,107.42

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1.5x scale

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.