Home / 317,142,260.04-437,843,956.23-199,768,200.78

Finding the Fourth Proportional to 317,142,260.04, 437,843,956.23 and 199,768,200.78

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Solution

The fourth proportional to 317,142,260.04, 437,843,956.23 and 199,768,200.78 is: 275,798,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,142,260.04 : 437,843,956.23 = 199,768,200.78 : x
  2. Step 2: Convert to fraction form
    317,142,260.04/437,843,956.23 = 199,768,200.78/x
  3. Step 3: Cross multiply
    317,142,260.04x = 437,843,956.23 × 199,768,200.78
  4. Step 4: Simplify right side
    317,142,260.04x = 87,467,299,358,464,176
  5. Step 5: Solve for x
    x = 87,467,299,358,464,176/317,142,260.04
  6. Step 6: Final answer
    x = 275,798,310.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.