Home / 2,129,152,466,605.80-2,939,243,576,099.70-1,426,428,340,539.90

Finding the Fourth Proportional to 2,129,152,466,605.80, 2,939,243,576,099.70 and 1,426,428,340,539.90

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Solution

The fourth proportional to 2,129,152,466,605.80, 2,939,243,576,099.70 and 1,426,428,340,539.90 is: 1,969,149,885,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,152,466,605.80 : 2,939,243,576,099.70 = 1,426,428,340,539.90 : x
  2. Step 2: Convert to fraction form
    2,129,152,466,605.80/2,939,243,576,099.70 = 1,426,428,340,539.90/x
  3. Step 3: Cross multiply
    2,129,152,466,605.80x = 2,939,243,576,099.70 × 1,426,428,340,539.90
  4. Step 4: Simplify right side
    2,129,152,466,605.80x = 4,192,620,336,698,456,595,759,104
  5. Step 5: Solve for x
    x = 4,192,620,336,698,456,595,759,104/2,129,152,466,605.80
  6. Step 6: Final answer
    x = 1,969,149,885,908.43

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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.