Finding the Fourth Proportional to 628,092,268.80, 866,848,688.64 and 360,272,590.08
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Solution
The fourth proportional to 628,092,268.80, 866,848,688.64 and 360,272,590.08 is: 497,222,840.94
Step by Step Solution
- Step 1: Write the proportion equation
628,092,268.80 : 866,848,688.64 = 360,272,590.08 : x - Step 2: Convert to fraction form
628,092,268.80/866,848,688.64 = 360,272,590.08/x - Step 3: Cross multiply
628,092,268.80x = 866,848,688.64 × 360,272,590.08 - Step 4: Simplify right side
628,092,268.80x = 312,301,822,263,784,256 - Step 5: Solve for x
x = 312,301,822,263,784,256/628,092,268.80 - Step 6: Final answer
x = 497,222,840.94
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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.