Finding the Fourth Proportional to 2,069,671,447.56, 2,856,132,068.07 and 1,129,874,089.44
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Solution
The fourth proportional to 2,069,671,447.56, 2,856,132,068.07 and 1,129,874,089.44 is: 1,559,218,311.45
Step by Step Solution
- Step 1: Write the proportion equation
2,069,671,447.56 : 2,856,132,068.07 = 1,129,874,089.44 : x - Step 2: Convert to fraction form
2,069,671,447.56/2,856,132,068.07 = 1,129,874,089.44/x - Step 3: Cross multiply
2,069,671,447.56x = 2,856,132,068.07 × 1,129,874,089.44 - Step 4: Simplify right side
2,069,671,447.56x = 3,227,069,619,730,975,744 - Step 5: Solve for x
x = 3,227,069,619,730,975,744/2,069,671,447.56 - Step 6: Final answer
x = 1,559,218,311.45
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1.5x scale
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.