Home / 2,877,878,421.12-4,317,229,420.49-886,089,007.15

Finding the Fourth Proportional to 2,877,878,421.12, 4,317,229,420.49 and 886,089,007.15

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Solution

The fourth proportional to 2,877,878,421.12, 4,317,229,420.49 and 886,089,007.15 is: 1,329,260,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,878,421.12 : 4,317,229,420.49 = 886,089,007.15 : x
  2. Step 2: Convert to fraction form
    2,877,878,421.12/4,317,229,420.49 = 886,089,007.15/x
  3. Step 3: Cross multiply
    2,877,878,421.12x = 4,317,229,420.49 × 886,089,007.15
  4. Step 4: Simplify right side
    2,877,878,421.12x = 3,825,449,530,840,753,664
  5. Step 5: Solve for x
    x = 3,825,449,530,840,753,664/2,877,878,421.12
  6. Step 6: Final answer
    x = 1,329,260,299.10

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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.