Home / 315,576,821.60-473,365,232.40-303,483,586.40

Finding the Fourth Proportional to 315,576,821.60, 473,365,232.40 and 303,483,586.40

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Solution

The fourth proportional to 315,576,821.60, 473,365,232.40 and 303,483,586.40 is: 455,225,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,576,821.60 : 473,365,232.40 = 303,483,586.40 : x
  2. Step 2: Convert to fraction form
    315,576,821.60/473,365,232.40 = 303,483,586.40/x
  3. Step 3: Cross multiply
    315,576,821.60x = 473,365,232.40 × 303,483,586.40
  4. Step 4: Simplify right side
    315,576,821.60x = 143,658,578,405,821,456
  5. Step 5: Solve for x
    x = 143,658,578,405,821,456/315,576,821.60
  6. Step 6: Final answer
    x = 455,225,379.60

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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.