Home / 1,294,069,868.80-1,941,104,803.20-420,669,548.80

Finding the Fourth Proportional to 1,294,069,868.80, 1,941,104,803.20 and 420,669,548.80

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Solution

The fourth proportional to 1,294,069,868.80, 1,941,104,803.20 and 420,669,548.80 is: 631,004,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,069,868.80 : 1,941,104,803.20 = 420,669,548.80 : x
  2. Step 2: Convert to fraction form
    1,294,069,868.80/1,941,104,803.20 = 420,669,548.80/x
  3. Step 3: Cross multiply
    1,294,069,868.80x = 1,941,104,803.20 × 420,669,548.80
  4. Step 4: Simplify right side
    1,294,069,868.80x = 816,563,681,735,656,832
  5. Step 5: Solve for x
    x = 816,563,681,735,656,832/1,294,069,868.80
  6. Step 6: Final answer
    x = 631,004,323.20

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Double scale
Find fourth proportional to 1,294,069,869.80, 1,941,104,804.70 and 420,669,549.80
Similar ratio
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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.