Finding the Fourth Proportional to 1,474,482,658.44, 2,034,793,003.86 and 805,436,985.31
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Solution
The fourth proportional to 1,474,482,658.44, 2,034,793,003.86 and 805,436,985.31 is: 1,111,506,828.09
Step by Step Solution
- Step 1: Write the proportion equation
1,474,482,658.44 : 2,034,793,003.86 = 805,436,985.31 : x - Step 2: Convert to fraction form
1,474,482,658.44/2,034,793,003.86 = 805,436,985.31/x - Step 3: Cross multiply
1,474,482,658.44x = 2,034,793,003.86 × 805,436,985.31 - Step 4: Simplify right side
1,474,482,658.44x = 1,638,897,542,758,877,440 - Step 5: Solve for x
x = 1,638,897,542,758,877,440/1,474,482,658.44 - Step 6: Final answer
x = 1,111,506,828.09
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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.