Home / 2,768,117,994.96-3,819,591,902.08-1,681,234,289.76

Finding the Fourth Proportional to 2,768,117,994.96, 3,819,591,902.08 and 1,681,234,289.76

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Solution

The fourth proportional to 2,768,117,994.96, 3,819,591,902.08 and 1,681,234,289.76 is: 2,319,853,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,117,994.96 : 3,819,591,902.08 = 1,681,234,289.76 : x
  2. Step 2: Convert to fraction form
    2,768,117,994.96/3,819,591,902.08 = 1,681,234,289.76/x
  3. Step 3: Cross multiply
    2,768,117,994.96x = 3,819,591,902.08 × 1,681,234,289.76
  4. Step 4: Simplify right side
    2,768,117,994.96x = 6,421,628,878,666,516,480
  5. Step 5: Solve for x
    x = 6,421,628,878,666,516,480/2,768,117,994.96
  6. Step 6: Final answer
    x = 2,319,853,738.30

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Double scale
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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.