Finding the Fourth Proportional to 983,292,110.40, 1,474,938,165.60 and 876,153,604.80
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Solution
The fourth proportional to 983,292,110.40, 1,474,938,165.60 and 876,153,604.80 is: 1,314,230,407.20
Step by Step Solution
- Step 1: Write the proportion equation
983,292,110.40 : 1,474,938,165.60 = 876,153,604.80 : x - Step 2: Convert to fraction form
983,292,110.40/1,474,938,165.60 = 876,153,604.80/x - Step 3: Cross multiply
983,292,110.40x = 1,474,938,165.60 × 876,153,604.80 - Step 4: Simplify right side
983,292,110.40x = 1,292,272,390,647,539,200 - Step 5: Solve for x
x = 1,292,272,390,647,539,200/983,292,110.40 - Step 6: Final answer
x = 1,314,230,407.20
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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.