Finding the Fourth Proportional to 644,182,287.93, 966,201,070.68 and 177,909,998.67
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Solution
The fourth proportional to 644,182,287.93, 966,201,070.68 and 177,909,998.67 is: 266,845,013.31
Step by Step Solution
- Step 1: Write the proportion equation
644,182,287.93 : 966,201,070.68 = 177,909,998.67 : x - Step 2: Convert to fraction form
644,182,287.93/966,201,070.68 = 177,909,998.67/x - Step 3: Cross multiply
644,182,287.93x = 966,201,070.68 × 177,909,998.67 - Step 4: Simplify right side
644,182,287.93x = 171,896,831,199,631,360 - Step 5: Solve for x
x = 171,896,831,199,631,360/644,182,287.93 - Step 6: Final answer
x = 266,845,013.31
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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.