Home / 654,988,886.40-982,483,329.60-266,611,803.60

Finding the Fourth Proportional to 654,988,886.40, 982,483,329.60 and 266,611,803.60

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Solution

The fourth proportional to 654,988,886.40, 982,483,329.60 and 266,611,803.60 is: 399,917,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,988,886.40 : 982,483,329.60 = 266,611,803.60 : x
  2. Step 2: Convert to fraction form
    654,988,886.40/982,483,329.60 = 266,611,803.60/x
  3. Step 3: Cross multiply
    654,988,886.40x = 982,483,329.60 × 266,611,803.60
  4. Step 4: Simplify right side
    654,988,886.40x = 261,941,652,511,589,280
  5. Step 5: Solve for x
    x = 261,941,652,511,589,280/654,988,886.40
  6. Step 6: Final answer
    x = 399,917,705.40

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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.