Finding the Fourth Proportional to 93,254,215,616.81, 128,690,816,554.71 and 50,434,698,489.09
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Solution
The fourth proportional to 93,254,215,616.81, 128,690,816,554.71 and 50,434,698,489.09 is: 69,599,883,376.01
Step by Step Solution
- Step 1: Write the proportion equation
93,254,215,616.81 : 128,690,816,554.71 = 50,434,698,489.09 : x - Step 2: Convert to fraction form
93,254,215,616.81/128,690,816,554.71 = 50,434,698,489.09/x - Step 3: Cross multiply
93,254,215,616.81x = 128,690,816,554.71 × 50,434,698,489.09 - Step 4: Simplify right side
93,254,215,616.81x = 6,490,482,531,250,948,014,080 - Step 5: Solve for x
x = 6,490,482,531,250,948,014,080/93,254,215,616.81 - Step 6: Final answer
x = 69,599,883,376.01
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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.