Finding the Fourth Proportional to 976,671,743.60, 1,465,007,615.40 and 901,844,850.80
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Solution
The fourth proportional to 976,671,743.60, 1,465,007,615.40 and 901,844,850.80 is: 1,352,767,276.20
Step by Step Solution
- Step 1: Write the proportion equation
976,671,743.60 : 1,465,007,615.40 = 901,844,850.80 : x - Step 2: Convert to fraction form
976,671,743.60/1,465,007,615.40 = 901,844,850.80/x - Step 3: Cross multiply
976,671,743.60x = 1,465,007,615.40 × 901,844,850.80 - Step 4: Simplify right side
976,671,743.60x = 1,321,209,574,331,276,800 - Step 5: Solve for x
x = 1,321,209,574,331,276,800/976,671,743.60 - Step 6: Final answer
x = 1,352,767,276.20
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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.