Home / 512,502,034.80-768,678,402.60-148,958,482.80

Finding the Fourth Proportional to 512,502,034.80, 768,678,402.60 and 148,958,482.80

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Solution

The fourth proportional to 512,502,034.80, 768,678,402.60 and 148,958,482.80 is: 223,416,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,502,034.80 : 768,678,402.60 = 148,958,482.80 : x
  2. Step 2: Convert to fraction form
    512,502,034.80/768,678,402.60 = 148,958,482.80/x
  3. Step 3: Cross multiply
    512,502,034.80x = 768,678,402.60 × 148,958,482.80
  4. Step 4: Simplify right side
    512,502,034.80x = 114,501,168,612,423,584
  5. Step 5: Solve for x
    x = 114,501,168,612,423,584/512,502,034.80
  6. Step 6: Final answer
    x = 223,416,027.33

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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.