Home / 1,488,594,216.96-2,232,891,177.60-398,048,940.80

Finding the Fourth Proportional to 1,488,594,216.96, 2,232,891,177.60 and 398,048,940.80

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Solution

The fourth proportional to 1,488,594,216.96, 2,232,891,177.60 and 398,048,940.80 is: 597,073,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,594,216.96 : 2,232,891,177.60 = 398,048,940.80 : x
  2. Step 2: Convert to fraction form
    1,488,594,216.96/2,232,891,177.60 = 398,048,940.80/x
  3. Step 3: Cross multiply
    1,488,594,216.96x = 2,232,891,177.60 × 398,048,940.80
  4. Step 4: Simplify right side
    1,488,594,216.96x = 888,799,968,165,344,640
  5. Step 5: Solve for x
    x = 888,799,968,165,344,640/1,488,594,216.96
  6. Step 6: Final answer
    x = 597,073,371.67

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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.