Finding the Fourth Proportional to 801,919,871.92, 1,201,014,449.64 and 779,853,260.68
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Solution
The fourth proportional to 801,919,871.92, 1,201,014,449.64 and 779,853,260.68 is: 1,167,965,862.27
Step by Step Solution
- Step 1: Write the proportion equation
801,919,871.92 : 1,201,014,449.64 = 779,853,260.68 : x - Step 2: Convert to fraction form
801,919,871.92/1,201,014,449.64 = 779,853,260.68/x - Step 3: Cross multiply
801,919,871.92x = 1,201,014,449.64 × 779,853,260.68 - Step 4: Simplify right side
801,919,871.92x = 936,615,034,675,549,696 - Step 5: Solve for x
x = 936,615,034,675,549,696/801,919,871.92 - Step 6: Final answer
x = 1,167,965,862.27
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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.