Finding the Fourth Proportional to 734,195,788.93, 1,101,330,277.98 and 209,642,690.76
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Solution
The fourth proportional to 734,195,788.93, 1,101,330,277.98 and 209,642,690.76 is: 314,474,485.38
Step by Step Solution
- Step 1: Write the proportion equation
734,195,788.93 : 1,101,330,277.98 = 209,642,690.76 : x - Step 2: Convert to fraction form
734,195,788.93/1,101,330,277.98 = 209,642,690.76/x - Step 3: Cross multiply
734,195,788.93x = 1,101,330,277.98 × 209,642,690.76 - Step 4: Simplify right side
734,195,788.93x = 230,885,842,891,185,984 - Step 5: Solve for x
x = 230,885,842,891,185,984/734,195,788.93 - Step 6: Final answer
x = 314,474,485.38
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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.