Finding the Fourth Proportional to 5,074,883,585.60, 7,612,692,267.84 and 2,124,195,607.68
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Solution
The fourth proportional to 5,074,883,585.60, 7,612,692,267.84 and 2,124,195,607.68 is: 3,186,446,980.55
Step by Step Solution
- Step 1: Write the proportion equation
5,074,883,585.60 : 7,612,692,267.84 = 2,124,195,607.68 : x - Step 2: Convert to fraction form
5,074,883,585.60/7,612,692,267.84 = 2,124,195,607.68/x - Step 3: Cross multiply
5,074,883,585.60x = 7,612,692,267.84 × 2,124,195,607.68 - Step 4: Simplify right side
5,074,883,585.60x = 16,170,847,477,965,225,984 - Step 5: Solve for x
x = 16,170,847,477,965,225,984/5,074,883,585.60 - Step 6: Final answer
x = 3,186,446,980.55
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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.