Finding the Fourth Proportional to 444,612,645.36, 613,844,342.16 and 286,118,140.68
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Solution
The fourth proportional to 444,612,645.36, 613,844,342.16 and 286,118,140.68 is: 395,022,507.07
Step by Step Solution
- Step 1: Write the proportion equation
444,612,645.36 : 613,844,342.16 = 286,118,140.68 : x - Step 2: Convert to fraction form
444,612,645.36/613,844,342.16 = 286,118,140.68/x - Step 3: Cross multiply
444,612,645.36x = 613,844,342.16 × 286,118,140.68 - Step 4: Simplify right side
444,612,645.36x = 175,632,001,845,756,928 - Step 5: Solve for x
x = 175,632,001,845,756,928/444,612,645.36 - Step 6: Final answer
x = 395,022,507.07
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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.