Home / 944,789,390.40-1,417,184,085.60-711,994,612.80

Finding the Fourth Proportional to 944,789,390.40, 1,417,184,085.60 and 711,994,612.80

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Solution

The fourth proportional to 944,789,390.40, 1,417,184,085.60 and 711,994,612.80 is: 1,067,991,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,789,390.40 : 1,417,184,085.60 = 711,994,612.80 : x
  2. Step 2: Convert to fraction form
    944,789,390.40/1,417,184,085.60 = 711,994,612.80/x
  3. Step 3: Cross multiply
    944,789,390.40x = 1,417,184,085.60 × 711,994,612.80
  4. Step 4: Simplify right side
    944,789,390.40x = 1,009,027,434,293,093,888
  5. Step 5: Solve for x
    x = 1,009,027,434,293,093,888/944,789,390.40
  6. Step 6: Final answer
    x = 1,067,991,919.20

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Double scale
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Similar ratio
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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.