Finding the Fourth Proportional to 2,861,658,790.92, 4,292,487,836.46 and 922,962,022.92
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Solution
The fourth proportional to 2,861,658,790.92, 4,292,487,836.46 and 922,962,022.92 is: 1,384,442,921.52
Step by Step Solution
- Step 1: Write the proportion equation
2,861,658,790.92 : 4,292,487,836.46 = 922,962,022.92 : x - Step 2: Convert to fraction form
2,861,658,790.92/4,292,487,836.46 = 922,962,022.92/x - Step 3: Cross multiply
2,861,658,790.92x = 4,292,487,836.46 × 922,962,022.92 - Step 4: Simplify right side
2,861,658,790.92x = 3,961,803,256,898,615,808 - Step 5: Solve for x
x = 3,961,803,256,898,615,808/2,861,658,790.92 - Step 6: Final answer
x = 1,384,442,921.52
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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.