Finding the Fourth Proportional to 1,872,564,087.08, 2,584,138,392.72 and 1,037,242,465.94
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Solution
The fourth proportional to 1,872,564,087.08, 2,584,138,392.72 and 1,037,242,465.94 is: 1,431,394,576.71
Step by Step Solution
- Step 1: Write the proportion equation
1,872,564,087.08 : 2,584,138,392.72 = 1,037,242,465.94 : x - Step 2: Convert to fraction form
1,872,564,087.08/2,584,138,392.72 = 1,037,242,465.94/x - Step 3: Cross multiply
1,872,564,087.08x = 2,584,138,392.72 × 1,037,242,465.94 - Step 4: Simplify right side
1,872,564,087.08x = 2,680,378,078,782,199,808 - Step 5: Solve for x
x = 2,680,378,078,782,199,808/1,872,564,087.08 - Step 6: Final answer
x = 1,431,394,576.71
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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.