Finding the Fourth Proportional to 366,607,576.80, 549,911,365.20 and 319,256,183.70
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Solution
The fourth proportional to 366,607,576.80, 549,911,365.20 and 319,256,183.70 is: 478,884,275.55
Step by Step Solution
- Step 1: Write the proportion equation
366,607,576.80 : 549,911,365.20 = 319,256,183.70 : x - Step 2: Convert to fraction form
366,607,576.80/549,911,365.20 = 319,256,183.70/x - Step 3: Cross multiply
366,607,576.80x = 549,911,365.20 × 319,256,183.70 - Step 4: Simplify right side
366,607,576.80x = 175,562,603,827,008,992 - Step 5: Solve for x
x = 175,562,603,827,008,992/366,607,576.80 - Step 6: Final answer
x = 478,884,275.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.