Finding the Fourth Proportional to 3,189,576,772.60, 4,785,260,954.10 and 1,553,854,737.40
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Solution
The fourth proportional to 3,189,576,772.60, 4,785,260,954.10 and 1,553,854,737.40 is: 2,331,218,507.45
Step by Step Solution
- Step 1: Write the proportion equation
3,189,576,772.60 : 4,785,260,954.10 = 1,553,854,737.40 : x - Step 2: Convert to fraction form
3,189,576,772.60/4,785,260,954.10 = 1,553,854,737.40/x - Step 3: Cross multiply
3,189,576,772.60x = 4,785,260,954.10 × 1,553,854,737.40 - Step 4: Simplify right side
3,189,576,772.60x = 7,435,600,403,223,530,496 - Step 5: Solve for x
x = 7,435,600,403,223,530,496/3,189,576,772.60 - Step 6: Final answer
x = 2,331,218,507.45
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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.