Home / 2,787,538,986.45-4,181,938,421.94-922,180,276.98

Finding the Fourth Proportional to 2,787,538,986.45, 4,181,938,421.94 and 922,180,276.98

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Solution

The fourth proportional to 2,787,538,986.45, 4,181,938,421.94 and 922,180,276.98 is: 1,383,478,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,538,986.45 : 4,181,938,421.94 = 922,180,276.98 : x
  2. Step 2: Convert to fraction form
    2,787,538,986.45/4,181,938,421.94 = 922,180,276.98/x
  3. Step 3: Cross multiply
    2,787,538,986.45x = 4,181,938,421.94 × 922,180,276.98
  4. Step 4: Simplify right side
    2,787,538,986.45x = 3,856,501,132,257,933,312
  5. Step 5: Solve for x
    x = 3,856,501,132,257,933,312/2,787,538,986.45
  6. Step 6: Final answer
    x = 1,383,478,814.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.