Finding the Fourth Proportional to 4,931,485,738.58, 7,398,461,994.11 and 1,437,891,211.81
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Solution
The fourth proportional to 4,931,485,738.58, 7,398,461,994.11 and 1,437,891,211.81 is: 2,157,196,440.62
Step by Step Solution
- Step 1: Write the proportion equation
4,931,485,738.58 : 7,398,461,994.11 = 1,437,891,211.81 : x - Step 2: Convert to fraction form
4,931,485,738.58/7,398,461,994.11 = 1,437,891,211.81/x - Step 3: Cross multiply
4,931,485,738.58x = 7,398,461,994.11 × 1,437,891,211.81 - Step 4: Simplify right side
4,931,485,738.58x = 10,638,183,482,214,830,080 - Step 5: Solve for x
x = 10,638,183,482,214,830,080/4,931,485,738.58 - Step 6: Final answer
x = 2,157,196,440.62
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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.