Finding the Fourth Proportional to 866,477,515.25, 1,195,737,745.31 and 470,000,026.08
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Solution
The fourth proportional to 866,477,515.25, 1,195,737,745.31 and 470,000,026.08 is: 648,599,371.12
Step by Step Solution
- Step 1: Write the proportion equation
866,477,515.25 : 1,195,737,745.31 = 470,000,026.08 : x - Step 2: Convert to fraction form
866,477,515.25/1,195,737,745.31 = 470,000,026.08/x - Step 3: Cross multiply
866,477,515.25x = 1,195,737,745.31 × 470,000,026.08 - Step 4: Simplify right side
866,477,515.25x = 561,996,771,484,652,416 - Step 5: Solve for x
x = 561,996,771,484,652,416/866,477,515.25 - Step 6: Final answer
x = 648,599,371.12
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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.