Home / 1,178,753,036.56-1,768,129,556.57-479,081,246.42

Finding the Fourth Proportional to 1,178,753,036.56, 1,768,129,556.57 and 479,081,246.42

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Solution

The fourth proportional to 1,178,753,036.56, 1,768,129,556.57 and 479,081,246.42 is: 718,621,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,753,036.56 : 1,768,129,556.57 = 479,081,246.42 : x
  2. Step 2: Convert to fraction form
    1,178,753,036.56/1,768,129,556.57 = 479,081,246.42/x
  3. Step 3: Cross multiply
    1,178,753,036.56x = 1,768,129,556.57 × 479,081,246.42
  4. Step 4: Simplify right side
    1,178,753,036.56x = 847,077,711,787,069,184
  5. Step 5: Solve for x
    x = 847,077,711,787,069,184/1,178,753,036.56
  6. Step 6: Final answer
    x = 718,621,870.33

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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.