Finding the Fourth Proportional to 266,121,455.10, 399,480,781.05 and 205,804,578.30
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Solution
The fourth proportional to 266,121,455.10, 399,480,781.05 and 205,804,578.30 is: 308,937,788.02
Step by Step Solution
- Step 1: Write the proportion equation
266,121,455.10 : 399,480,781.05 = 205,804,578.30 : x - Step 2: Convert to fraction form
266,121,455.10/399,480,781.05 = 205,804,578.30/x - Step 3: Cross multiply
266,121,455.10x = 399,480,781.05 × 205,804,578.30 - Step 4: Simplify right side
266,121,455.10x = 82,214,973,682,949,888 - Step 5: Solve for x
x = 82,214,973,682,949,888/266,121,455.10 - Step 6: Final answer
x = 308,937,788.02
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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.