Finding the Fourth Proportional to 1,776,315,052.90, 2,451,217,658.64 and 972,387,029.58
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Solution
The fourth proportional to 1,776,315,052.90, 2,451,217,658.64 and 972,387,029.58 is: 1,341,840,938.65
Step by Step Solution
- Step 1: Write the proportion equation
1,776,315,052.90 : 2,451,217,658.64 = 972,387,029.58 : x - Step 2: Convert to fraction form
1,776,315,052.90/2,451,217,658.64 = 972,387,029.58/x - Step 3: Cross multiply
1,776,315,052.90x = 2,451,217,658.64 × 972,387,029.58 - Step 4: Simplify right side
1,776,315,052.90x = 2,383,532,257,926,201,856 - Step 5: Solve for x
x = 2,383,532,257,926,201,856/1,776,315,052.90 - Step 6: Final answer
x = 1,341,840,938.65
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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.