Finding the Fourth Proportional to 384,912,244.80, 577,368,367.20 and 155,046,297.60
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Solution
The fourth proportional to 384,912,244.80, 577,368,367.20 and 155,046,297.60 is: 232,569,446.40
Step by Step Solution
- Step 1: Write the proportion equation
384,912,244.80 : 577,368,367.20 = 155,046,297.60 : x - Step 2: Convert to fraction form
384,912,244.80/577,368,367.20 = 155,046,297.60/x - Step 3: Cross multiply
384,912,244.80x = 577,368,367.20 × 155,046,297.60 - Step 4: Simplify right side
384,912,244.80x = 89,518,827,685,717,280 - Step 5: Solve for x
x = 89,518,827,685,717,280/384,912,244.80 - Step 6: Final answer
x = 232,569,446.40
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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.