Finding the Fourth Proportional to 4,983,127,869.60, 7,474,691,804.40 and 2,403,237,693.60
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Solution
The fourth proportional to 4,983,127,869.60, 7,474,691,804.40 and 2,403,237,693.60 is: 3,604,856,540.40
Step by Step Solution
- Step 1: Write the proportion equation
4,983,127,869.60 : 7,474,691,804.40 = 2,403,237,693.60 : x - Step 2: Convert to fraction form
4,983,127,869.60/7,474,691,804.40 = 2,403,237,693.60/x - Step 3: Cross multiply
4,983,127,869.60x = 7,474,691,804.40 × 2,403,237,693.60 - Step 4: Simplify right side
4,983,127,869.60x = 17,963,461,092,377,075,712 - Step 5: Solve for x
x = 17,963,461,092,377,075,712/4,983,127,869.60 - Step 6: Final answer
x = 3,604,856,540.40
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1.5x scale
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.