Home / 20,734,692,656.64-28,603,334,320.25-12,594,329,859.30

Finding the Fourth Proportional to 20,734,692,656.64, 28,603,334,320.25 and 12,594,329,859.30

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Solution

The fourth proportional to 20,734,692,656.64, 28,603,334,320.25 and 12,594,329,859.30 is: 17,373,772,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,692,656.64 : 28,603,334,320.25 = 12,594,329,859.30 : x
  2. Step 2: Convert to fraction form
    20,734,692,656.64/28,603,334,320.25 = 12,594,329,859.30/x
  3. Step 3: Cross multiply
    20,734,692,656.64x = 28,603,334,320.25 × 12,594,329,859.30
  4. Step 4: Simplify right side
    20,734,692,656.64x = 360,239,827,505,002,053,632
  5. Step 5: Solve for x
    x = 360,239,827,505,002,053,632/20,734,692,656.64
  6. Step 6: Final answer
    x = 17,373,772,231.42

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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.