Finding the Fourth Proportional to 3,785,868,718.89, 5,224,402,582.17 and 2,115,130,407.99
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Solution
The fourth proportional to 3,785,868,718.89, 5,224,402,582.17 and 2,115,130,407.99 is: 2,918,826,189.08
Step by Step Solution
- Step 1: Write the proportion equation
3,785,868,718.89 : 5,224,402,582.17 = 2,115,130,407.99 : x - Step 2: Convert to fraction form
3,785,868,718.89/5,224,402,582.17 = 2,115,130,407.99/x - Step 3: Cross multiply
3,785,868,718.89x = 5,224,402,582.17 × 2,115,130,407.99 - Step 4: Simplify right side
3,785,868,718.89x = 11,050,292,765,129,242,624 - Step 5: Solve for x
x = 11,050,292,765,129,242,624/3,785,868,718.89 - Step 6: Final answer
x = 2,918,826,189.08
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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.