Home / 839,810,528.80-1,259,715,793.20-294,355,232.80

Finding the Fourth Proportional to 839,810,528.80, 1,259,715,793.20 and 294,355,232.80

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Solution

The fourth proportional to 839,810,528.80, 1,259,715,793.20 and 294,355,232.80 is: 441,532,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,528.80 : 1,259,715,793.20 = 294,355,232.80 : x
  2. Step 2: Convert to fraction form
    839,810,528.80/1,259,715,793.20 = 294,355,232.80/x
  3. Step 3: Cross multiply
    839,810,528.80x = 1,259,715,793.20 × 294,355,232.80
  4. Step 4: Simplify right side
    839,810,528.80x = 370,803,935,569,222,656
  5. Step 5: Solve for x
    x = 370,803,935,569,222,656/839,810,528.80
  6. Step 6: Final answer
    x = 441,532,849.20

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Double scale
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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.