Home / 580,826,586.40-871,239,879.60-449,312,653.60

Finding the Fourth Proportional to 580,826,586.40, 871,239,879.60 and 449,312,653.60

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Solution

The fourth proportional to 580,826,586.40, 871,239,879.60 and 449,312,653.60 is: 673,968,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,826,586.40 : 871,239,879.60 = 449,312,653.60 : x
  2. Step 2: Convert to fraction form
    580,826,586.40/871,239,879.60 = 449,312,653.60/x
  3. Step 3: Cross multiply
    580,826,586.40x = 871,239,879.60 × 449,312,653.60
  4. Step 4: Simplify right side
    580,826,586.40x = 391,459,102,225,220,544
  5. Step 5: Solve for x
    x = 391,459,102,225,220,544/580,826,586.40
  6. Step 6: Final answer
    x = 673,968,980.40

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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.