Home / 5,271,520,208.76-7,274,677,924.44-2,892,697,946.28

Finding the Fourth Proportional to 5,271,520,208.76, 7,274,677,924.44 and 2,892,697,946.28

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Solution

The fourth proportional to 5,271,520,208.76, 7,274,677,924.44 and 2,892,697,946.28 is: 3,991,912,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,520,208.76 : 7,274,677,924.44 = 2,892,697,946.28 : x
  2. Step 2: Convert to fraction form
    5,271,520,208.76/7,274,677,924.44 = 2,892,697,946.28/x
  3. Step 3: Cross multiply
    5,271,520,208.76x = 7,274,677,924.44 × 2,892,697,946.28
  4. Step 4: Simplify right side
    5,271,520,208.76x = 21,043,445,891,876,040,704
  5. Step 5: Solve for x
    x = 21,043,445,891,876,040,704/5,271,520,208.76
  6. Step 6: Final answer
    x = 3,991,912,211.00

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Half scale
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Double scale
Find fourth proportional to 5,271,520,209.76, 7,274,677,925.82 and 2,892,697,947.28
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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.