Finding the Fourth Proportional to 2,113,403,941, 2,916,532,564.04 and 1,160,872,754.12
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Solution
The fourth proportional to 2,113,403,941, 2,916,532,564.04 and 1,160,872,754.12 is: 1,602,023,694.77
Step by Step Solution
- Step 1: Write the proportion equation
2,113,403,941 : 2,916,532,564.04 = 1,160,872,754.12 : x - Step 2: Convert to fraction form
2,113,403,941/2,916,532,564.04 = 1,160,872,754.12/x - Step 3: Cross multiply
2,113,403,941x = 2,916,532,564.04 × 1,160,872,754.12 - Step 4: Simplify right side
2,113,403,941x = 3,385,723,190,097,779,712 - Step 5: Solve for x
x = 3,385,723,190,097,779,712/2,113,403,941 - Step 6: Final answer
x = 1,602,023,694.77
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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.