Finding the Fourth Proportional to 816,508,116.70, 1,224,762,175.05 and 732,327,862.30
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Solution
The fourth proportional to 816,508,116.70, 1,224,762,175.05 and 732,327,862.30 is: 1,098,491,793.45
Step by Step Solution
- Step 1: Write the proportion equation
816,508,116.70 : 1,224,762,175.05 = 732,327,862.30 : x - Step 2: Convert to fraction form
816,508,116.70/1,224,762,175.05 = 732,327,862.30/x - Step 3: Cross multiply
816,508,116.70x = 1,224,762,175.05 × 732,327,862.30 - Step 4: Simplify right side
816,508,116.70x = 896,927,465,480,264,832 - Step 5: Solve for x
x = 896,927,465,480,264,832/816,508,116.70 - Step 6: Final answer
x = 1,098,491,793.45
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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.