Finding the Fourth Proportional to 268,345,657.80, 402,518,486.70 and 242,517,625.20
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Solution
The fourth proportional to 268,345,657.80, 402,518,486.70 and 242,517,625.20 is: 363,776,437.80
Step by Step Solution
- Step 1: Write the proportion equation
268,345,657.80 : 402,518,486.70 = 242,517,625.20 : x - Step 2: Convert to fraction form
268,345,657.80/402,518,486.70 = 242,517,625.20/x - Step 3: Cross multiply
268,345,657.80x = 402,518,486.70 × 242,517,625.20 - Step 4: Simplify right side
268,345,657.80x = 97,617,827,493,581,776 - Step 5: Solve for x
x = 97,617,827,493,581,776/268,345,657.80 - Step 6: Final answer
x = 363,776,437.80
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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.