Home / 1,347,280,941.70-2,020,992,783.41-415,243,950.82

Finding the Fourth Proportional to 1,347,280,941.70, 2,020,992,783.41 and 415,243,950.82

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Solution

The fourth proportional to 1,347,280,941.70, 2,020,992,783.41 and 415,243,950.82 is: 622,887,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,280,941.70 : 2,020,992,783.41 = 415,243,950.82 : x
  2. Step 2: Convert to fraction form
    1,347,280,941.70/2,020,992,783.41 = 415,243,950.82/x
  3. Step 3: Cross multiply
    1,347,280,941.70x = 2,020,992,783.41 × 415,243,950.82
  4. Step 4: Simplify right side
    1,347,280,941.70x = 839,205,027,961,876,992
  5. Step 5: Solve for x
    x = 839,205,027,961,876,992/1,347,280,941.70
  6. Step 6: Final answer
    x = 622,887,923.36

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1.5x scale

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.