Home / 2,980,621,819.69-4,113,285,313.34-1,642,559,919.01

Finding the Fourth Proportional to 2,980,621,819.69, 4,113,285,313.34 and 1,642,559,919.01

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Solution

The fourth proportional to 2,980,621,819.69, 4,113,285,313.34 and 1,642,559,919.01 is: 2,266,747,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,621,819.69 : 4,113,285,313.34 = 1,642,559,919.01 : x
  2. Step 2: Convert to fraction form
    2,980,621,819.69/4,113,285,313.34 = 1,642,559,919.01/x
  3. Step 3: Cross multiply
    2,980,621,819.69x = 4,113,285,313.34 × 1,642,559,919.01
  4. Step 4: Simplify right side
    2,980,621,819.69x = 6,756,317,591,138,595,840
  5. Step 5: Solve for x
    x = 6,756,317,591,138,595,840/2,980,621,819.69
  6. Step 6: Final answer
    x = 2,266,747,678.79

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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.