Finding the Fourth Proportional to 1,507,546,089.06, 2,261,319,658.47 and 472,487,278.02
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Solution
The fourth proportional to 1,507,546,089.06, 2,261,319,658.47 and 472,487,278.02 is: 708,731,081.54
Step by Step Solution
- Step 1: Write the proportion equation
1,507,546,089.06 : 2,261,319,658.47 = 472,487,278.02 : x - Step 2: Convert to fraction form
1,507,546,089.06/2,261,319,658.47 = 472,487,278.02/x - Step 3: Cross multiply
1,507,546,089.06x = 2,261,319,658.47 × 472,487,278.02 - Step 4: Simplify right side
1,507,546,089.06x = 1,068,444,770,163,606,144 - Step 5: Solve for x
x = 1,068,444,770,163,606,144/1,507,546,089.06 - Step 6: Final answer
x = 708,731,081.54
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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.