Finding the Fourth Proportional to 2,976,950,967.84, 4,465,549,731.48 and 878,427,304.80
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Solution
The fourth proportional to 2,976,950,967.84, 4,465,549,731.48 and 878,427,304.80 is: 1,317,677,334.11
Step by Step Solution
- Step 1: Write the proportion equation
2,976,950,967.84 : 4,465,549,731.48 = 878,427,304.80 : x - Step 2: Convert to fraction form
2,976,950,967.84/4,465,549,731.48 = 878,427,304.80/x - Step 3: Cross multiply
2,976,950,967.84x = 4,465,549,731.48 × 878,427,304.80 - Step 4: Simplify right side
2,976,950,967.84x = 3,922,660,815,074,339,328 - Step 5: Solve for x
x = 3,922,660,815,074,339,328/2,976,950,967.84 - Step 6: Final answer
x = 1,317,677,334.11
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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.