Finding the Fourth Proportional to 2,862,720,422.66, 4,293,602,293.35 and 792,651,439.46
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Solution
The fourth proportional to 2,862,720,422.66, 4,293,602,293.35 and 792,651,439.46 is: 1,188,844,712.66
Step by Step Solution
- Step 1: Write the proportion equation
2,862,720,422.66 : 4,293,602,293.35 = 792,651,439.46 : x - Step 2: Convert to fraction form
2,862,720,422.66/4,293,602,293.35 = 792,651,439.46/x - Step 3: Cross multiply
2,862,720,422.66x = 4,293,602,293.35 × 792,651,439.46 - Step 4: Simplify right side
2,862,720,422.66x = 3,403,330,038,292,634,624 - Step 5: Solve for x
x = 3,403,330,038,292,634,624/2,862,720,422.66 - Step 6: Final answer
x = 1,188,844,712.66
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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.