Finding the Fourth Proportional to 3,943,671,560.24, 5,442,436,813.60 and 2,183,539,123.76
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Solution
The fourth proportional to 3,943,671,560.24, 5,442,436,813.60 and 2,183,539,123.76 is: 3,013,378,150.17
Step by Step Solution
- Step 1: Write the proportion equation
3,943,671,560.24 : 5,442,436,813.60 = 2,183,539,123.76 : x - Step 2: Convert to fraction form
3,943,671,560.24/5,442,436,813.60 = 2,183,539,123.76/x - Step 3: Cross multiply
3,943,671,560.24x = 5,442,436,813.60 × 2,183,539,123.76 - Step 4: Simplify right side
3,943,671,560.24x = 11,883,773,711,087,312,896 - Step 5: Solve for x
x = 11,883,773,711,087,312,896/3,943,671,560.24 - Step 6: Final answer
x = 3,013,378,150.17
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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.