Home / 13,880,242,503.57-19,154,734,654.92-7,939,795,005.57

Finding the Fourth Proportional to 13,880,242,503.57, 19,154,734,654.92 and 7,939,795,005.57

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Solution

The fourth proportional to 13,880,242,503.57, 19,154,734,654.92 and 7,939,795,005.57 is: 10,956,917,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880,242,503.57 : 19,154,734,654.92 = 7,939,795,005.57 : x
  2. Step 2: Convert to fraction form
    13,880,242,503.57/19,154,734,654.92 = 7,939,795,005.57/x
  3. Step 3: Cross multiply
    13,880,242,503.57x = 19,154,734,654.92 × 7,939,795,005.57
  4. Step 4: Simplify right side
    13,880,242,503.57x = 152,084,666,546,152,407,040
  5. Step 5: Solve for x
    x = 152,084,666,546,152,407,040/13,880,242,503.57
  6. Step 6: Final answer
    x = 10,956,917,107.68

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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.