Home / 839,341,976.40-1,259,012,964.60-264,913,304.40

Finding the Fourth Proportional to 839,341,976.40, 1,259,012,964.60 and 264,913,304.40

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Solution

The fourth proportional to 839,341,976.40, 1,259,012,964.60 and 264,913,304.40 is: 397,369,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,341,976.40 : 1,259,012,964.60 = 264,913,304.40 : x
  2. Step 2: Convert to fraction form
    839,341,976.40/1,259,012,964.60 = 264,913,304.40/x
  3. Step 3: Cross multiply
    839,341,976.40x = 1,259,012,964.60 × 264,913,304.40
  4. Step 4: Simplify right side
    839,341,976.40x = 333,529,284,734,626,176
  5. Step 5: Solve for x
    x = 333,529,284,734,626,176/839,341,976.40
  6. Step 6: Final answer
    x = 397,369,956.60

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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.