Finding the Fourth Proportional to 1,333,257,530.11, 1,840,533,393.68 and 887,961,935.23
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Solution
The fourth proportional to 1,333,257,530.11, 1,840,533,393.68 and 887,961,935.23 is: 1,225,812,385.98
Step by Step Solution
- Step 1: Write the proportion equation
1,333,257,530.11 : 1,840,533,393.68 = 887,961,935.23 : x - Step 2: Convert to fraction form
1,333,257,530.11/1,840,533,393.68 = 887,961,935.23/x - Step 3: Cross multiply
1,333,257,530.11x = 1,840,533,393.68 × 887,961,935.23 - Step 4: Simplify right side
1,333,257,530.11x = 1,634,323,594,107,532,288 - Step 5: Solve for x
x = 1,634,323,594,107,532,288/1,333,257,530.11 - Step 6: Final answer
x = 1,225,812,385.98
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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.