Home / 2,768,349,711.74-3,820,346,422.52-1,578,978,899.60

Finding the Fourth Proportional to 2,768,349,711.74, 3,820,346,422.52 and 1,578,978,899.60

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Solution

The fourth proportional to 2,768,349,711.74, 3,820,346,422.52 and 1,578,978,899.60 is: 2,179,004,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,349,711.74 : 3,820,346,422.52 = 1,578,978,899.60 : x
  2. Step 2: Convert to fraction form
    2,768,349,711.74/3,820,346,422.52 = 1,578,978,899.60/x
  3. Step 3: Cross multiply
    2,768,349,711.74x = 3,820,346,422.52 × 1,578,978,899.60
  4. Step 4: Simplify right side
    2,768,349,711.74x = 6,032,246,390,294,429,696
  5. Step 5: Solve for x
    x = 6,032,246,390,294,429,696/2,768,349,711.74
  6. Step 6: Final answer
    x = 2,179,004,467.80

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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.