Home / 1,264,618,036.57-1,745,355,436.02-728,667,054.37

Finding the Fourth Proportional to 1,264,618,036.57, 1,745,355,436.02 and 728,667,054.37

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Solution

The fourth proportional to 1,264,618,036.57, 1,745,355,436.02 and 728,667,054.37 is: 1,005,665,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,618,036.57 : 1,745,355,436.02 = 728,667,054.37 : x
  2. Step 2: Convert to fraction form
    1,264,618,036.57/1,745,355,436.02 = 728,667,054.37/x
  3. Step 3: Cross multiply
    1,264,618,036.57x = 1,745,355,436.02 × 728,667,054.37
  4. Step 4: Simplify right side
    1,264,618,036.57x = 1,271,783,004,393,360,384
  5. Step 5: Solve for x
    x = 1,271,783,004,393,360,384/1,264,618,036.57
  6. Step 6: Final answer
    x = 1,005,665,716.93

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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.