Finding the Fourth Proportional to 4,722,048,068.40, 7,083,072,102.60 and 1,450,659,985.20
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Solution
The fourth proportional to 4,722,048,068.40, 7,083,072,102.60 and 1,450,659,985.20 is: 2,175,989,977.80
Step by Step Solution
- Step 1: Write the proportion equation
4,722,048,068.40 : 7,083,072,102.60 = 1,450,659,985.20 : x - Step 2: Convert to fraction form
4,722,048,068.40/7,083,072,102.60 = 1,450,659,985.20/x - Step 3: Cross multiply
4,722,048,068.40x = 7,083,072,102.60 × 1,450,659,985.20 - Step 4: Simplify right side
4,722,048,068.40x = 10,275,129,271,528,249,344 - Step 5: Solve for x
x = 10,275,129,271,528,249,344/4,722,048,068.40 - Step 6: Final answer
x = 2,175,989,977.80
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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.