Finding the Fourth Proportional to 1,497,730,832.23, 2,246,902,657.30 and 515,029,747.06
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Solution
The fourth proportional to 1,497,730,832.23, 2,246,902,657.30 and 515,029,747.06 is: 772,649,986.48
Step by Step Solution
- Step 1: Write the proportion equation
1,497,730,832.23 : 2,246,902,657.30 = 515,029,747.06 : x - Step 2: Convert to fraction form
1,497,730,832.23/2,246,902,657.30 = 515,029,747.06/x - Step 3: Cross multiply
1,497,730,832.23x = 2,246,902,657.30 × 515,029,747.06 - Step 4: Simplify right side
1,497,730,832.23x = 1,157,221,707,268,798,464 - Step 5: Solve for x
x = 1,157,221,707,268,798,464/1,497,730,832.23 - Step 6: Final answer
x = 772,649,986.48
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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.