Home / 948,888,766.80-1,420,546,231.80-707,621,259.60

Finding the Fourth Proportional to 948,888,766.80, 1,420,546,231.80 and 707,621,259.60

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Solution

The fourth proportional to 948,888,766.80, 1,420,546,231.80 and 707,621,259.60 is: 1,059,353,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,888,766.80 : 1,420,546,231.80 = 707,621,259.60 : x
  2. Step 2: Convert to fraction form
    948,888,766.80/1,420,546,231.80 = 707,621,259.60/x
  3. Step 3: Cross multiply
    948,888,766.80x = 1,420,546,231.80 × 707,621,259.60
  4. Step 4: Simplify right side
    948,888,766.80x = 1,005,208,713,866,349,568
  5. Step 5: Solve for x
    x = 1,005,208,713,866,349,568/948,888,766.80
  6. Step 6: Final answer
    x = 1,059,353,581.83

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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.