Home / 435,456,445.80-653,184,668.70-327,961,021.80

Finding the Fourth Proportional to 435,456,445.80, 653,184,668.70 and 327,961,021.80

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Solution

The fourth proportional to 435,456,445.80, 653,184,668.70 and 327,961,021.80 is: 491,941,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,456,445.80 : 653,184,668.70 = 327,961,021.80 : x
  2. Step 2: Convert to fraction form
    435,456,445.80/653,184,668.70 = 327,961,021.80/x
  3. Step 3: Cross multiply
    435,456,445.80x = 653,184,668.70 × 327,961,021.80
  4. Step 4: Simplify right side
    435,456,445.80x = 214,219,111,370,946,496
  5. Step 5: Solve for x
    x = 214,219,111,370,946,496/435,456,445.80
  6. Step 6: Final answer
    x = 491,941,532.70

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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.