Finding the Fourth Proportional to 4,386,413,301.84, 6,579,832,548.60 and 1,438,432,130.16
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Solution
The fourth proportional to 4,386,413,301.84, 6,579,832,548.60 and 1,438,432,130.16 is: 2,157,717,911.58
Step by Step Solution
- Step 1: Write the proportion equation
4,386,413,301.84 : 6,579,832,548.60 = 1,438,432,130.16 : x - Step 2: Convert to fraction form
4,386,413,301.84/6,579,832,548.60 = 1,438,432,130.16/x - Step 3: Cross multiply
4,386,413,301.84x = 6,579,832,548.60 × 1,438,432,130.16 - Step 4: Simplify right side
4,386,413,301.84x = 9,464,642,548,978,800,640 - Step 5: Solve for x
x = 9,464,642,548,978,800,640/4,386,413,301.84 - Step 6: Final answer
x = 2,157,717,911.58
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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.