Finding the Fourth Proportional to 12,129,432,607.42, 16,739,483,168.90 and 6,703,851,497.99
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Solution
The fourth proportional to 12,129,432,607.42, 16,739,483,168.90 and 6,703,851,497.99 is: 9,251,793,793.61
Step by Step Solution
- Step 1: Write the proportion equation
12,129,432,607.42 : 16,739,483,168.90 = 6,703,851,497.99 : x - Step 2: Convert to fraction form
12,129,432,607.42/16,739,483,168.90 = 6,703,851,497.99/x - Step 3: Cross multiply
12,129,432,607.42x = 16,739,483,168.90 × 6,703,851,497.99 - Step 4: Simplify right side
12,129,432,607.42x = 112,219,009,317,291,442,176 - Step 5: Solve for x
x = 112,219,009,317,291,442,176/12,129,432,607.42 - Step 6: Final answer
x = 9,251,793,793.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.