Finding the Fourth Proportional to 851,523,290.16, 1,175,102,374.62 and 470,045,557.07
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Solution
The fourth proportional to 851,523,290.16, 1,175,102,374.62 and 470,045,557.07 is: 648,662,998.03
Step by Step Solution
- Step 1: Write the proportion equation
851,523,290.16 : 1,175,102,374.62 = 470,045,557.07 : x - Step 2: Convert to fraction form
851,523,290.16/1,175,102,374.62 = 470,045,557.07/x - Step 3: Cross multiply
851,523,290.16x = 1,175,102,374.62 × 470,045,557.07 - Step 4: Simplify right side
851,523,290.16x = 552,351,650,292,808,000 - Step 5: Solve for x
x = 552,351,650,292,808,000/851,523,290.16 - Step 6: Final answer
x = 648,662,998.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.