Finding the Fourth Proportional to 2,432,247,947.20, 3,648,371,920.80 and 1,399,126,643.20
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Solution
The fourth proportional to 2,432,247,947.20, 3,648,371,920.80 and 1,399,126,643.20 is: 2,098,689,964.80
Step by Step Solution
- Step 1: Write the proportion equation
2,432,247,947.20 : 3,648,371,920.80 = 1,399,126,643.20 : x - Step 2: Convert to fraction form
2,432,247,947.20/3,648,371,920.80 = 1,399,126,643.20/x - Step 3: Cross multiply
2,432,247,947.20x = 3,648,371,920.80 × 1,399,126,643.20 - Step 4: Simplify right side
2,432,247,947.20x = 5,104,534,358,694,040,576 - Step 5: Solve for x
x = 5,104,534,358,694,040,576/2,432,247,947.20 - Step 6: Final answer
x = 2,098,689,964.80
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1.5x scale
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.