Finding the Fourth Proportional to 640,811,591.04, 961,254,604.44 and 247,340,664.48
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Solution
The fourth proportional to 640,811,591.04, 961,254,604.44 and 247,340,664.48 is: 371,025,362.09
Step by Step Solution
- Step 1: Write the proportion equation
640,811,591.04 : 961,254,604.44 = 247,340,664.48 : x - Step 2: Convert to fraction form
640,811,591.04/961,254,604.44 = 247,340,664.48/x - Step 3: Cross multiply
640,811,591.04x = 961,254,604.44 × 247,340,664.48 - Step 4: Simplify right side
640,811,591.04x = 237,757,352,596,649,152 - Step 5: Solve for x
x = 237,757,352,596,649,152/640,811,591.04 - Step 6: Final answer
x = 371,025,362.09
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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.