Finding the Fourth Proportional to 1,387,166,885.84, 2,079,293,780.28 and 466,723,670.96
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Solution
The fourth proportional to 1,387,166,885.84, 2,079,293,780.28 and 466,723,670.96 is: 699,595,438.76
Step by Step Solution
- Step 1: Write the proportion equation
1,387,166,885.84 : 2,079,293,780.28 = 466,723,670.96 : x - Step 2: Convert to fraction form
1,387,166,885.84/2,079,293,780.28 = 466,723,670.96/x - Step 3: Cross multiply
1,387,166,885.84x = 2,079,293,780.28 × 466,723,670.96 - Step 4: Simplify right side
1,387,166,885.84x = 970,455,626,136,577,152 - Step 5: Solve for x
x = 970,455,626,136,577,152/1,387,166,885.84 - Step 6: Final answer
x = 699,595,438.76
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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.