Finding the Fourth Proportional to 310,484,540.70, 465,726,811.05 and 291,352,664.70
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Solution
The fourth proportional to 310,484,540.70, 465,726,811.05 and 291,352,664.70 is: 437,028,997.05
Step by Step Solution
- Step 1: Write the proportion equation
310,484,540.70 : 465,726,811.05 = 291,352,664.70 : x - Step 2: Convert to fraction form
310,484,540.70/465,726,811.05 = 291,352,664.70/x - Step 3: Cross multiply
310,484,540.70x = 465,726,811.05 × 291,352,664.70 - Step 4: Simplify right side
310,484,540.70x = 135,690,747,421,650,896 - Step 5: Solve for x
x = 135,690,747,421,650,896/310,484,540.70 - Step 6: Final answer
x = 437,028,997.05
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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.