Finding the Fourth Proportional to 591,877,235.70, 887,815,853.55 and 155,177,075.70
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Solution
The fourth proportional to 591,877,235.70, 887,815,853.55 and 155,177,075.70 is: 232,765,613.55
Step by Step Solution
- Step 1: Write the proportion equation
591,877,235.70 : 887,815,853.55 = 155,177,075.70 : x - Step 2: Convert to fraction form
591,877,235.70/887,815,853.55 = 155,177,075.70/x - Step 3: Cross multiply
591,877,235.70x = 887,815,853.55 × 155,177,075.70 - Step 4: Simplify right side
591,877,235.70x = 137,768,667,913,988,448 - Step 5: Solve for x
x = 137,768,667,913,988,448/591,877,235.70 - Step 6: Final answer
x = 232,765,613.55
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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.