Finding the Fourth Proportional to 1,430,784,737.10, 2,146,247,964.45 and 742,037,201.10
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Solution
The fourth proportional to 1,430,784,737.10, 2,146,247,964.45 and 742,037,201.10 is: 1,113,092,550.62
Step by Step Solution
- Step 1: Write the proportion equation
1,430,784,737.10 : 2,146,247,964.45 = 742,037,201.10 : x - Step 2: Convert to fraction form
1,430,784,737.10/2,146,247,964.45 = 742,037,201.10/x - Step 3: Cross multiply
1,430,784,737.10x = 2,146,247,964.45 × 742,037,201.10 - Step 4: Simplify right side
1,430,784,737.10x = 1,592,595,832,407,050,496 - Step 5: Solve for x
x = 1,592,595,832,407,050,496/1,430,784,737.10 - Step 6: Final answer
x = 1,113,092,550.62
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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.