Finding the Fourth Proportional to 1,049,009,663.99, 1,447,595,385.77 and 579,100,894.97
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Solution
The fourth proportional to 1,049,009,663.99, 1,447,595,385.77 and 579,100,894.97 is: 799,138,284.63
Step by Step Solution
- Step 1: Write the proportion equation
1,049,009,663.99 : 1,447,595,385.77 = 579,100,894.97 : x - Step 2: Convert to fraction form
1,049,009,663.99/1,447,595,385.77 = 579,100,894.97/x - Step 3: Cross multiply
1,049,009,663.99x = 1,447,595,385.77 × 579,100,894.97 - Step 4: Simplify right side
1,049,009,663.99x = 838,303,783,448,059,264 - Step 5: Solve for x
x = 838,303,783,448,059,264/1,049,009,663.99 - Step 6: Final answer
x = 799,138,284.63
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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.