Finding the Fourth Proportional to 370,842,450,535.80, 556,263,675,803.70 and 91,670,115,943.80
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Solution
The fourth proportional to 370,842,450,535.80, 556,263,675,803.70 and 91,670,115,943.80 is: 137,505,173,915.70
Step by Step Solution
- Step 1: Write the proportion equation
370,842,450,535.80 : 556,263,675,803.70 = 91,670,115,943.80 : x - Step 2: Convert to fraction form
370,842,450,535.80/556,263,675,803.70 = 91,670,115,943.80/x - Step 3: Cross multiply
370,842,450,535.80x = 556,263,675,803.70 × 91,670,115,943.80 - Step 4: Simplify right side
370,842,450,535.80x = 50,992,755,656,249,550,307,328 - Step 5: Solve for x
x = 50,992,755,656,249,550,307,328/370,842,450,535.80 - Step 6: Final answer
x = 137,505,173,915.70
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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.