Home / 862,275,974.80-1,293,413,962.20-248,880,211.60

Finding the Fourth Proportional to 862,275,974.80, 1,293,413,962.20 and 248,880,211.60

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Solution

The fourth proportional to 862,275,974.80, 1,293,413,962.20 and 248,880,211.60 is: 373,320,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,275,974.80 : 1,293,413,962.20 = 248,880,211.60 : x
  2. Step 2: Convert to fraction form
    862,275,974.80/1,293,413,962.20 = 248,880,211.60/x
  3. Step 3: Cross multiply
    862,275,974.80x = 1,293,413,962.20 × 248,880,211.60
  4. Step 4: Simplify right side
    862,275,974.80x = 321,905,140,598,730,432
  5. Step 5: Solve for x
    x = 321,905,140,598,730,432/862,275,974.80
  6. Step 6: Final answer
    x = 373,320,317.40

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1.5x scale

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.