Finding the Fourth Proportional to 360,272,903.14, 497,172,930.59 and 201,502,647.09
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Solution
The fourth proportional to 360,272,903.14, 497,172,930.59 and 201,502,647.09 is: 278,071,597.12
Step by Step Solution
- Step 1: Write the proportion equation
360,272,903.14 : 497,172,930.59 = 201,502,647.09 : x - Step 2: Convert to fraction form
360,272,903.14/497,172,930.59 = 201,502,647.09/x - Step 3: Cross multiply
360,272,903.14x = 497,172,930.59 × 201,502,647.09 - Step 4: Simplify right side
360,272,903.14x = 100,181,661,575,881,584 - Step 5: Solve for x
x = 100,181,661,575,881,584/360,272,903.14 - Step 6: Final answer
x = 278,071,597.12
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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.