Finding the Fourth Proportional to 1,648,522,472.70, 2,472,783,709.05 and 1,637,043,347.10
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Solution
The fourth proportional to 1,648,522,472.70, 2,472,783,709.05 and 1,637,043,347.10 is: 2,455,565,020.65
Step by Step Solution
- Step 1: Write the proportion equation
1,648,522,472.70 : 2,472,783,709.05 = 1,637,043,347.10 : x - Step 2: Convert to fraction form
1,648,522,472.70/2,472,783,709.05 = 1,637,043,347.10/x - Step 3: Cross multiply
1,648,522,472.70x = 2,472,783,709.05 × 1,637,043,347.10 - Step 4: Simplify right side
1,648,522,472.70x = 4,048,054,119,717,564,416 - Step 5: Solve for x
x = 4,048,054,119,717,564,416/1,648,522,472.70 - Step 6: Final answer
x = 2,455,565,020.65
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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.