Finding the Fourth Proportional to 915,461,335.68, 1,373,062,709.79 and 293,595,758.88
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Solution
The fourth proportional to 915,461,335.68, 1,373,062,709.79 and 293,595,758.88 is: 440,352,172.79
Step by Step Solution
- Step 1: Write the proportion equation
915,461,335.68 : 1,373,062,709.79 = 293,595,758.88 : x - Step 2: Convert to fraction form
915,461,335.68/1,373,062,709.79 = 293,595,758.88/x - Step 3: Cross multiply
915,461,335.68x = 1,373,062,709.79 × 293,595,758.88 - Step 4: Simplify right side
915,461,335.68x = 403,125,388,270,624,256 - Step 5: Solve for x
x = 403,125,388,270,624,256/915,461,335.68 - Step 6: Final answer
x = 440,352,172.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.