Finding the Fourth Proportional to 851,195,700.99, 1,174,649,536.80 and 460,055,124.99
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Solution
The fourth proportional to 851,195,700.99, 1,174,649,536.80 and 460,055,124.99 is: 634,875,785.73
Step by Step Solution
- Step 1: Write the proportion equation
851,195,700.99 : 1,174,649,536.80 = 460,055,124.99 : x - Step 2: Convert to fraction form
851,195,700.99/1,174,649,536.80 = 460,055,124.99/x - Step 3: Cross multiply
851,195,700.99x = 1,174,649,536.80 × 460,055,124.99 - Step 4: Simplify right side
851,195,700.99x = 540,403,539,471,969,600 - Step 5: Solve for x
x = 540,403,539,471,969,600/851,195,700.99 - Step 6: Final answer
x = 634,875,785.73
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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.