Finding the Fourth Proportional to 652,845,283.80, 979,267,925.70 and 168,171,091.80
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Solution
The fourth proportional to 652,845,283.80, 979,267,925.70 and 168,171,091.80 is: 252,256,637.70
Step by Step Solution
- Step 1: Write the proportion equation
652,845,283.80 : 979,267,925.70 = 168,171,091.80 : x - Step 2: Convert to fraction form
652,845,283.80/979,267,925.70 = 168,171,091.80/x - Step 3: Cross multiply
652,845,283.80x = 979,267,925.70 × 168,171,091.80 - Step 4: Simplify right side
652,845,283.80x = 164,684,556,229,690,304 - Step 5: Solve for x
x = 164,684,556,229,690,304/652,845,283.80 - Step 6: Final answer
x = 252,256,637.70
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Similar ratio
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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.