Home / 787,355,452.48-1,086,529,472.80-434,923,858.24

Finding the Fourth Proportional to 787,355,452.48, 1,086,529,472.80 and 434,923,858.24

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Solution

The fourth proportional to 787,355,452.48, 1,086,529,472.80 and 434,923,858.24 is: 600,183,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,355,452.48 : 1,086,529,472.80 = 434,923,858.24 : x
  2. Step 2: Convert to fraction form
    787,355,452.48/1,086,529,472.80 = 434,923,858.24/x
  3. Step 3: Cross multiply
    787,355,452.48x = 1,086,529,472.80 × 434,923,858.24
  4. Step 4: Simplify right side
    787,355,452.48x = 472,557,590,401,649,152
  5. Step 5: Solve for x
    x = 472,557,590,401,649,152/787,355,452.48
  6. Step 6: Final answer
    x = 600,183,295.76

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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.