Home / 299,559,968.40-449,339,952.60-266,116,947.60

Finding the Fourth Proportional to 299,559,968.40, 449,339,952.60 and 266,116,947.60

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Solution

The fourth proportional to 299,559,968.40, 449,339,952.60 and 266,116,947.60 is: 399,175,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,968.40 : 449,339,952.60 = 266,116,947.60 : x
  2. Step 2: Convert to fraction form
    299,559,968.40/449,339,952.60 = 266,116,947.60/x
  3. Step 3: Cross multiply
    299,559,968.40x = 449,339,952.60 × 266,116,947.60
  4. Step 4: Simplify right side
    299,559,968.40x = 119,576,976,620,640,688
  5. Step 5: Solve for x
    x = 119,576,976,620,640,688/299,559,968.40
  6. Step 6: Final answer
    x = 399,175,421.40

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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.