Finding the Fourth Proportional to 366,606,904.80, 549,910,357.20 and 319,255,511.70
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Solution
The fourth proportional to 366,606,904.80, 549,910,357.20 and 319,255,511.70 is: 478,883,267.55
Step by Step Solution
- Step 1: Write the proportion equation
366,606,904.80 : 549,910,357.20 = 319,255,511.70 : x - Step 2: Convert to fraction form
366,606,904.80/549,910,357.20 = 319,255,511.70/x - Step 3: Cross multiply
366,606,904.80x = 549,910,357.20 × 319,255,511.70 - Step 4: Simplify right side
366,606,904.80x = 175,561,912,477,015,776 - Step 5: Solve for x
x = 175,561,912,477,015,776/366,606,904.80 - Step 6: Final answer
x = 478,883,267.55
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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.