Finding the Fourth Proportional to 551,919,985.59, 828,454,197.38 and 406,517,727.99
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Solution
The fourth proportional to 551,919,985.59, 828,454,197.38 and 406,517,727.99 is: 610,199,534.09
Step by Step Solution
- Step 1: Write the proportion equation
551,919,985.59 : 828,454,197.38 = 406,517,727.99 : x - Step 2: Convert to fraction form
551,919,985.59/828,454,197.38 = 406,517,727.99/x - Step 3: Cross multiply
551,919,985.59x = 828,454,197.38 × 406,517,727.99 - Step 4: Simplify right side
551,919,985.59x = 336,781,318,060,664,000 - Step 5: Solve for x
x = 336,781,318,060,664,000/551,919,985.59 - Step 6: Final answer
x = 610,199,534.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.