Home / 839,808,728.20-1,259,713,092.30-817,133,912.20

Finding the Fourth Proportional to 839,808,728.20, 1,259,713,092.30 and 817,133,912.20

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Solution

The fourth proportional to 839,808,728.20, 1,259,713,092.30 and 817,133,912.20 is: 1,225,700,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,728.20 : 1,259,713,092.30 = 817,133,912.20 : x
  2. Step 2: Convert to fraction form
    839,808,728.20/1,259,713,092.30 = 817,133,912.20/x
  3. Step 3: Cross multiply
    839,808,728.20x = 1,259,713,092.30 × 817,133,912.20
  4. Step 4: Simplify right side
    839,808,728.20x = 1,029,354,287,360,658,688
  5. Step 5: Solve for x
    x = 1,029,354,287,360,658,688/839,808,728.20
  6. Step 6: Final answer
    x = 1,225,700,868.30

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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.