Finding the Fourth Proportional to 924,573,879.96, 1,275,911,647.29 and 506,877,197.19
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Solution
The fourth proportional to 924,573,879.96, 1,275,911,647.29 and 506,877,197.19 is: 699,490,363.79
Step by Step Solution
- Step 1: Write the proportion equation
924,573,879.96 : 1,275,911,647.29 = 506,877,197.19 : x - Step 2: Convert to fraction form
924,573,879.96/1,275,911,647.29 = 506,877,197.19/x - Step 3: Cross multiply
924,573,879.96x = 1,275,911,647.29 × 506,877,197.19 - Step 4: Simplify right side
924,573,879.96x = 646,730,519,640,430,976 - Step 5: Solve for x
x = 646,730,519,640,430,976/924,573,879.96 - Step 6: Final answer
x = 699,490,363.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.