Finding the Fourth Proportional to 803,416,334.10, 1,205,124,501.15 and 221,240,433.30
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Solution
The fourth proportional to 803,416,334.10, 1,205,124,501.15 and 221,240,433.30 is: 331,860,649.95
Step by Step Solution
- Step 1: Write the proportion equation
803,416,334.10 : 1,205,124,501.15 = 221,240,433.30 : x - Step 2: Convert to fraction form
803,416,334.10/1,205,124,501.15 = 221,240,433.30/x - Step 3: Cross multiply
803,416,334.10x = 1,205,124,501.15 × 221,240,433.30 - Step 4: Simplify right side
803,416,334.10x = 266,622,266,814,872,384 - Step 5: Solve for x
x = 266,622,266,814,872,384/803,416,334.10 - Step 6: Final answer
x = 331,860,649.95
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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.