Home / 492,076,378.10-738,220,855.35-147,064,880.90

Finding the Fourth Proportional to 492,076,378.10, 738,220,855.35 and 147,064,880.90

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Solution

The fourth proportional to 492,076,378.10, 738,220,855.35 and 147,064,880.90 is: 220,629,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,076,378.10 : 738,220,855.35 = 147,064,880.90 : x
  2. Step 2: Convert to fraction form
    492,076,378.10/738,220,855.35 = 147,064,880.90/x
  3. Step 3: Cross multiply
    492,076,378.10x = 738,220,855.35 × 147,064,880.90
  4. Step 4: Simplify right side
    492,076,378.10x = 108,566,362,169,943,888
  5. Step 5: Solve for x
    x = 108,566,362,169,943,888/492,076,378.10
  6. Step 6: Final answer
    x = 220,629,087.28

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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.