Home / 1,178,753,038.56-1,768,129,559.57-479,081,248.42

Finding the Fourth Proportional to 1,178,753,038.56, 1,768,129,559.57 and 479,081,248.42

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Solution

The fourth proportional to 1,178,753,038.56, 1,768,129,559.57 and 479,081,248.42 is: 718,621,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,753,038.56 : 1,768,129,559.57 = 479,081,248.42 : x
  2. Step 2: Convert to fraction form
    1,178,753,038.56/1,768,129,559.57 = 479,081,248.42/x
  3. Step 3: Cross multiply
    1,178,753,038.56x = 1,768,129,559.57 × 479,081,248.42
  4. Step 4: Simplify right side
    1,178,753,038.56x = 847,077,716,767,100,416
  5. Step 5: Solve for x
    x = 847,077,716,767,100,416/1,178,753,038.56
  6. Step 6: Final answer
    x = 718,621,873.33

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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.