Home / 966,089,355.21-1,448,961,511.19-257,041,995.30

Finding the Fourth Proportional to 966,089,355.21, 1,448,961,511.19 and 257,041,995.30

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Solution

The fourth proportional to 966,089,355.21, 1,448,961,511.19 and 257,041,995.30 is: 385,517,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,089,355.21 : 1,448,961,511.19 = 257,041,995.30 : x
  2. Step 2: Convert to fraction form
    966,089,355.21/1,448,961,511.19 = 257,041,995.30/x
  3. Step 3: Cross multiply
    966,089,355.21x = 1,448,961,511.19 × 257,041,995.30
  4. Step 4: Simplify right side
    966,089,355.21x = 372,443,957,947,895,680
  5. Step 5: Solve for x
    x = 372,443,957,947,895,680/966,089,355.21
  6. Step 6: Final answer
    x = 385,517,091.08

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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.