Finding the Fourth Proportional to 537,101,562.24, 740,928,844.80 and 313,937,445.60
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Solution
The fourth proportional to 537,101,562.24, 740,928,844.80 and 313,937,445.60 is: 433,075,092.80
Step by Step Solution
- Step 1: Write the proportion equation
537,101,562.24 : 740,928,844.80 = 313,937,445.60 : x - Step 2: Convert to fraction form
537,101,562.24/740,928,844.80 = 313,937,445.60/x - Step 3: Cross multiply
537,101,562.24x = 740,928,844.80 × 313,937,445.60 - Step 4: Simplify right side
537,101,562.24x = 232,605,308,907,870,848 - Step 5: Solve for x
x = 232,605,308,907,870,848/537,101,562.24 - Step 6: Final answer
x = 433,075,092.80
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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.