Home / 10,378,793,124.12-14,322,729,987.18-5,621,069,219.16

Finding the Fourth Proportional to 10,378,793,124.12, 14,322,729,987.18 and 5,621,069,219.16

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Solution

The fourth proportional to 10,378,793,124.12, 14,322,729,987.18 and 5,621,069,219.16 is: 7,757,073,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,793,124.12 : 14,322,729,987.18 = 5,621,069,219.16 : x
  2. Step 2: Convert to fraction form
    10,378,793,124.12/14,322,729,987.18 = 5,621,069,219.16/x
  3. Step 3: Cross multiply
    10,378,793,124.12x = 14,322,729,987.18 × 5,621,069,219.16
  4. Step 4: Simplify right side
    10,378,793,124.12x = 80,509,056,665,277,399,040
  5. Step 5: Solve for x
    x = 80,509,056,665,277,399,040/10,378,793,124.12
  6. Step 6: Final answer
    x = 7,757,073,072.22

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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.