Finding the Fourth Proportional to 851,195,701.99, 1,174,649,538.18 and 460,055,125.99
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Solution
The fourth proportional to 851,195,701.99, 1,174,649,538.18 and 460,055,125.99 is: 634,875,787.11
Step by Step Solution
- Step 1: Write the proportion equation
851,195,701.99 : 1,174,649,538.18 = 460,055,125.99 : x - Step 2: Convert to fraction form
851,195,701.99/1,174,649,538.18 = 460,055,125.99/x - Step 3: Cross multiply
851,195,701.99x = 1,174,649,538.18 × 460,055,125.99 - Step 4: Simplify right side
851,195,701.99x = 540,403,541,281,495,232 - Step 5: Solve for x
x = 540,403,541,281,495,232/851,195,701.99 - Step 6: Final answer
x = 634,875,787.11
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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.