Home / 543,424,563.40-749,734,600.98-355,362,948.04

Finding the Fourth Proportional to 543,424,563.40, 749,734,600.98 and 355,362,948.04

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Solution

The fourth proportional to 543,424,563.40, 749,734,600.98 and 355,362,948.04 is: 490,275,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,424,563.40 : 749,734,600.98 = 355,362,948.04 : x
  2. Step 2: Convert to fraction form
    543,424,563.40/749,734,600.98 = 355,362,948.04/x
  3. Step 3: Cross multiply
    543,424,563.40x = 749,734,600.98 × 355,362,948.04
  4. Step 4: Simplify right side
    543,424,563.40x = 266,427,898,051,845,888
  5. Step 5: Solve for x
    x = 266,427,898,051,845,888/543,424,563.40
  6. Step 6: Final answer
    x = 490,275,773.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.