Finding the Fourth Proportional to 489,120,637.96, 674,989,415.80 and 266,103,919.44
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Solution
The fourth proportional to 489,120,637.96, 674,989,415.80 and 266,103,919.44 is: 367,225,005.83
Step by Step Solution
- Step 1: Write the proportion equation
489,120,637.96 : 674,989,415.80 = 266,103,919.44 : x - Step 2: Convert to fraction form
489,120,637.96/674,989,415.80 = 266,103,919.44/x - Step 3: Cross multiply
489,120,637.96x = 674,989,415.80 × 266,103,919.44 - Step 4: Simplify right side
489,120,637.96x = 179,617,329,124,895,840 - Step 5: Solve for x
x = 179,617,329,124,895,840/489,120,637.96 - Step 6: Final answer
x = 367,225,005.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.