Home / 348,412,709.80-522,619,064.70-193,444,514.20

Finding the Fourth Proportional to 348,412,709.80, 522,619,064.70 and 193,444,514.20

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Solution

The fourth proportional to 348,412,709.80, 522,619,064.70 and 193,444,514.20 is: 290,166,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,412,709.80 : 522,619,064.70 = 193,444,514.20 : x
  2. Step 2: Convert to fraction form
    348,412,709.80/522,619,064.70 = 193,444,514.20/x
  3. Step 3: Cross multiply
    348,412,709.80x = 522,619,064.70 × 193,444,514.20
  4. Step 4: Simplify right side
    348,412,709.80x = 101,097,791,082,549,856
  5. Step 5: Solve for x
    x = 101,097,791,082,549,856/348,412,709.80
  6. Step 6: Final answer
    x = 290,166,771.30

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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.