Home / 519,048,020.40-778,572,030.60-496,089,769.20

Finding the Fourth Proportional to 519,048,020.40, 778,572,030.60 and 496,089,769.20

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Solution

The fourth proportional to 519,048,020.40, 778,572,030.60 and 496,089,769.20 is: 744,134,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,048,020.40 : 778,572,030.60 = 496,089,769.20 : x
  2. Step 2: Convert to fraction form
    519,048,020.40/778,572,030.60 = 496,089,769.20/x
  3. Step 3: Cross multiply
    519,048,020.40x = 778,572,030.60 × 496,089,769.20
  4. Step 4: Simplify right side
    519,048,020.40x = 386,241,618,965,929,344
  5. Step 5: Solve for x
    x = 386,241,618,965,929,344/519,048,020.40
  6. Step 6: Final answer
    x = 744,134,653.80

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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.