Finding the Fourth Proportional to 282,787,579,670.40, 424,248,786,678.57 and 91,559,674,907.07
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Solution
The fourth proportional to 282,787,579,670.40, 424,248,786,678.57 and 91,559,674,907.07 is: 137,361,340,385.89
Step by Step Solution
- Step 1: Write the proportion equation
282,787,579,670.40 : 424,248,786,678.57 = 91,559,674,907.07 : x - Step 2: Convert to fraction form
282,787,579,670.40/424,248,786,678.57 = 91,559,674,907.07/x - Step 3: Cross multiply
282,787,579,670.40x = 424,248,786,678.57 × 91,559,674,907.07 - Step 4: Simplify right side
282,787,579,670.40x = 38,844,080,988,008,765,980,672 - Step 5: Solve for x
x = 38,844,080,988,008,765,980,672/282,787,579,670.40 - Step 6: Final answer
x = 137,361,340,385.89
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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.