Finding the Fourth Proportional to 1,334,485,995.74, 1,841,590,644.84 and 739,768,973.07
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Solution
The fourth proportional to 1,334,485,995.74, 1,841,590,644.84 and 739,768,973.07 is: 1,020,881,166.60
Step by Step Solution
- Step 1: Write the proportion equation
1,334,485,995.74 : 1,841,590,644.84 = 739,768,973.07 : x - Step 2: Convert to fraction form
1,334,485,995.74/1,841,590,644.84 = 739,768,973.07/x - Step 3: Cross multiply
1,334,485,995.74x = 1,841,590,644.84 × 739,768,973.07 - Step 4: Simplify right side
1,334,485,995.74x = 1,362,351,620,148,605,952 - Step 5: Solve for x
x = 1,362,351,620,148,605,952/1,334,485,995.74 - Step 6: Final answer
x = 1,020,881,166.60
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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.