Finding the Fourth Proportional to 426,854,071.65, 589,013,269.36 and 236,084,774.60
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Solution
The fourth proportional to 426,854,071.65, 589,013,269.36 and 236,084,774.60 is: 325,771,906.99
Step by Step Solution
- Step 1: Write the proportion equation
426,854,071.65 : 589,013,269.36 = 236,084,774.60 : x - Step 2: Convert to fraction form
426,854,071.65/589,013,269.36 = 236,084,774.60/x - Step 3: Cross multiply
426,854,071.65x = 589,013,269.36 × 236,084,774.60 - Step 4: Simplify right side
426,854,071.65x = 139,057,064,930,830,848 - Step 5: Solve for x
x = 139,057,064,930,830,848/426,854,071.65 - Step 6: Final answer
x = 325,771,906.99
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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.