Finding the Fourth Proportional to 86,565,860,455.80, 129,848,790,683.70 and 86,565,860,455.80
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Solution
The fourth proportional to 86,565,860,455.80, 129,848,790,683.70 and 86,565,860,455.80 is: 129,848,790,683.70
Step by Step Solution
- Step 1: Write the proportion equation
86,565,860,455.80 : 129,848,790,683.70 = 86,565,860,455.80 : x - Step 2: Convert to fraction form
86,565,860,455.80/129,848,790,683.70 = 86,565,860,455.80/x - Step 3: Cross multiply
86,565,860,455.80x = 129,848,790,683.70 × 86,565,860,455.80 - Step 4: Simplify right side
86,565,860,455.80x = 11,240,472,294,679,558,225,920 - Step 5: Solve for x
x = 11,240,472,294,679,558,225,920/86,565,860,455.80 - Step 6: Final answer
x = 129,848,790,683.70
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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.