Finding the Fourth Proportional to 366,251,070.60, 549,376,605.90 and 338,190,985.80
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Solution
The fourth proportional to 366,251,070.60, 549,376,605.90 and 338,190,985.80 is: 507,286,478.70
Step by Step Solution
- Step 1: Write the proportion equation
366,251,070.60 : 549,376,605.90 = 338,190,985.80 : x - Step 2: Convert to fraction form
366,251,070.60/549,376,605.90 = 338,190,985.80/x - Step 3: Cross multiply
366,251,070.60x = 549,376,605.90 × 338,190,985.80 - Step 4: Simplify right side
366,251,070.60x = 185,794,215,924,779,104 - Step 5: Solve for x
x = 185,794,215,924,779,104/366,251,070.60 - Step 6: Final answer
x = 507,286,478.70
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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.