Finding the Fourth Proportional to 714,764,693.73, 986,069,307.98 and 446,374,577.96
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Solution
The fourth proportional to 714,764,693.73, 986,069,307.98 and 446,374,577.96 is: 615,805,837.99
Step by Step Solution
- Step 1: Write the proportion equation
714,764,693.73 : 986,069,307.98 = 446,374,577.96 : x - Step 2: Convert to fraction form
714,764,693.73/986,069,307.98 = 446,374,577.96/x - Step 3: Cross multiply
714,764,693.73x = 986,069,307.98 × 446,374,577.96 - Step 4: Simplify right side
714,764,693.73x = 440,156,271,185,067,328 - Step 5: Solve for x
x = 440,156,271,185,067,328/714,764,693.73 - Step 6: Final answer
x = 615,805,837.99
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Double scale
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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.