Home / 839,809,000.80-1,259,713,501.20-529,872,609.60

Finding the Fourth Proportional to 839,809,000.80, 1,259,713,501.20 and 529,872,609.60

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Solution

The fourth proportional to 839,809,000.80, 1,259,713,501.20 and 529,872,609.60 is: 794,808,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,000.80 : 1,259,713,501.20 = 529,872,609.60 : x
  2. Step 2: Convert to fraction form
    839,809,000.80/1,259,713,501.20 = 529,872,609.60/x
  3. Step 3: Cross multiply
    839,809,000.80x = 1,259,713,501.20 × 529,872,609.60
  4. Step 4: Simplify right side
    839,809,000.80x = 667,487,680,229,196,800
  5. Step 5: Solve for x
    x = 667,487,680,229,196,800/839,809,000.80
  6. Step 6: Final answer
    x = 794,808,914.40

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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.