Finding the Fourth Proportional to 249,727,856,868.74, 344,624,697,532.02 and 135,542,501,403.04
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Solution
The fourth proportional to 249,727,856,868.74, 344,624,697,532.02 and 135,542,501,403.04 is: 187,048,790,369.06
Step by Step Solution
- Step 1: Write the proportion equation
249,727,856,868.74 : 344,624,697,532.02 = 135,542,501,403.04 : x - Step 2: Convert to fraction form
249,727,856,868.74/344,624,697,532.02 = 135,542,501,403.04/x - Step 3: Cross multiply
249,727,856,868.74x = 344,624,697,532.02 × 135,542,501,403.04 - Step 4: Simplify right side
249,727,856,868.74x = 46,711,293,548,756,056,670,208 - Step 5: Solve for x
x = 46,711,293,548,756,056,670,208/249,727,856,868.74 - Step 6: Final answer
x = 187,048,790,369.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.