Finding the Fourth Proportional to 581,240,006.20, 870,873,407.70 and 350,724,719.80
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Solution
The fourth proportional to 581,240,006.20, 870,873,407.70 and 350,724,719.80 is: 525,491,756.66
Step by Step Solution
- Step 1: Write the proportion equation
581,240,006.20 : 870,873,407.70 = 350,724,719.80 : x - Step 2: Convert to fraction form
581,240,006.20/870,873,407.70 = 350,724,719.80/x - Step 3: Cross multiply
581,240,006.20x = 870,873,407.70 × 350,724,719.80 - Step 4: Simplify right side
581,240,006.20x = 305,436,831,896,853,696 - Step 5: Solve for x
x = 305,436,831,896,853,696/581,240,006.20 - Step 6: Final answer
x = 525,491,756.66
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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.