Finding the Fourth Proportional to 922,752,003.30, 1,384,128,004.95 and 861,837,929.70
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Solution
The fourth proportional to 922,752,003.30, 1,384,128,004.95 and 861,837,929.70 is: 1,292,756,894.55
Step by Step Solution
- Step 1: Write the proportion equation
922,752,003.30 : 1,384,128,004.95 = 861,837,929.70 : x - Step 2: Convert to fraction form
922,752,003.30/1,384,128,004.95 = 861,837,929.70/x - Step 3: Cross multiply
922,752,003.30x = 1,384,128,004.95 × 861,837,929.70 - Step 4: Simplify right side
922,752,003.30x = 1,192,894,014,225,899,520 - Step 5: Solve for x
x = 1,192,894,014,225,899,520/922,752,003.30 - Step 6: Final answer
x = 1,292,756,894.55
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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.