Finding the Fourth Proportional to 660,588,498.77, 910,765,879.93 and 541,070,794.74
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Solution
The fourth proportional to 660,588,498.77, 910,765,879.93 and 541,070,794.74 is: 745,984,556.79
Step by Step Solution
- Step 1: Write the proportion equation
660,588,498.77 : 910,765,879.93 = 541,070,794.74 : x - Step 2: Convert to fraction form
660,588,498.77/910,765,879.93 = 541,070,794.74/x - Step 3: Cross multiply
660,588,498.77x = 910,765,879.93 × 541,070,794.74 - Step 4: Simplify right side
660,588,498.77x = 492,788,818,471,716,480 - Step 5: Solve for x
x = 492,788,818,471,716,480/660,588,498.77 - Step 6: Final answer
x = 745,984,556.79
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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.