Finding the Fourth Proportional to 868,596,090.60, 1,302,894,135.90 and 732,547,194.60
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Solution
The fourth proportional to 868,596,090.60, 1,302,894,135.90 and 732,547,194.60 is: 1,098,820,791.90
Step by Step Solution
- Step 1: Write the proportion equation
868,596,090.60 : 1,302,894,135.90 = 732,547,194.60 : x - Step 2: Convert to fraction form
868,596,090.60/1,302,894,135.90 = 732,547,194.60/x - Step 3: Cross multiply
868,596,090.60x = 1,302,894,135.90 × 732,547,194.60 - Step 4: Simplify right side
868,596,090.60x = 954,431,444,114,336,256 - Step 5: Solve for x
x = 954,431,444,114,336,256/868,596,090.60 - Step 6: Final answer
x = 1,098,820,791.90
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Double scale
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Similar ratio
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1.5x scale
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.