Home / 677,945,812.04-935,513,559.26-380,530,586.44

Finding the Fourth Proportional to 677,945,812.04, 935,513,559.26 and 380,530,586.44

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Solution

The fourth proportional to 677,945,812.04, 935,513,559.26 and 380,530,586.44 is: 525,103,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,945,812.04 : 935,513,559.26 = 380,530,586.44 : x
  2. Step 2: Convert to fraction form
    677,945,812.04/935,513,559.26 = 380,530,586.44/x
  3. Step 3: Cross multiply
    677,945,812.04x = 935,513,559.26 × 380,530,586.44
  4. Step 4: Simplify right side
    677,945,812.04x = 355,991,523,327,779,456
  5. Step 5: Solve for x
    x = 355,991,523,327,779,456/677,945,812.04
  6. Step 6: Final answer
    x = 525,103,211.80

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Double scale
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1.5x scale

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.