Finding the Fourth Proportional to 286,674,476.36, 427,918,881.87 and 245,995,325.01
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Solution
The fourth proportional to 286,674,476.36, 427,918,881.87 and 245,995,325.01 is: 367,197,128.12
Step by Step Solution
- Step 1: Write the proportion equation
286,674,476.36 : 427,918,881.87 = 245,995,325.01 : x - Step 2: Convert to fraction form
286,674,476.36/427,918,881.87 = 245,995,325.01/x - Step 3: Cross multiply
286,674,476.36x = 427,918,881.87 × 245,995,325.01 - Step 4: Simplify right side
286,674,476.36x = 105,266,044,423,526,448 - Step 5: Solve for x
x = 105,266,044,423,526,448/286,674,476.36 - Step 6: Final answer
x = 367,197,128.12
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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.