Finding the Fourth Proportional to 286,674,477.36, 427,918,883.36 and 245,995,326.01
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Solution
The fourth proportional to 286,674,477.36, 427,918,883.36 and 245,995,326.01 is: 367,197,129.61
Step by Step Solution
- Step 1: Write the proportion equation
286,674,477.36 : 427,918,883.36 = 245,995,326.01 : x - Step 2: Convert to fraction form
286,674,477.36/427,918,883.36 = 245,995,326.01/x - Step 3: Cross multiply
286,674,477.36x = 427,918,883.36 × 245,995,326.01 - Step 4: Simplify right side
286,674,477.36x = 105,266,045,217,978,368 - Step 5: Solve for x
x = 105,266,045,217,978,368/286,674,477.36 - Step 6: Final answer
x = 367,197,129.61
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.