Home / 353,295,091.20-529,942,636.80-256,549,209.60

Finding the Fourth Proportional to 353,295,091.20, 529,942,636.80 and 256,549,209.60

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Solution

The fourth proportional to 353,295,091.20, 529,942,636.80 and 256,549,209.60 is: 384,823,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,295,091.20 : 529,942,636.80 = 256,549,209.60 : x
  2. Step 2: Convert to fraction form
    353,295,091.20/529,942,636.80 = 256,549,209.60/x
  3. Step 3: Cross multiply
    353,295,091.20x = 529,942,636.80 × 256,549,209.60
  4. Step 4: Simplify right side
    353,295,091.20x = 135,956,364,604,379,872
  5. Step 5: Solve for x
    x = 135,956,364,604,379,872/353,295,091.20
  6. Step 6: Final answer
    x = 384,823,814.40

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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.