Finding the Fourth Proportional to 1,941,461,206.16, 2,679,228,289.08 and 1,049,385,672.14
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Solution
The fourth proportional to 1,941,461,206.16, 2,679,228,289.08 and 1,049,385,672.14 is: 1,448,158,618.89
Step by Step Solution
- Step 1: Write the proportion equation
1,941,461,206.16 : 2,679,228,289.08 = 1,049,385,672.14 : x - Step 2: Convert to fraction form
1,941,461,206.16/2,679,228,289.08 = 1,049,385,672.14/x - Step 3: Cross multiply
1,941,461,206.16x = 2,679,228,289.08 × 1,049,385,672.14 - Step 4: Simplify right side
1,941,461,206.16x = 2,811,543,778,939,321,856 - Step 5: Solve for x
x = 2,811,543,778,939,321,856/1,941,461,206.16 - Step 6: Final answer
x = 1,448,158,618.89
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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.