Finding the Fourth Proportional to 577,798,163.10, 866,763,007.74 and 209,506,575.78
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Solution
The fourth proportional to 577,798,163.10, 866,763,007.74 and 209,506,575.78 is: 314,283,709.02
Step by Step Solution
- Step 1: Write the proportion equation
577,798,163.10 : 866,763,007.74 = 209,506,575.78 : x - Step 2: Convert to fraction form
577,798,163.10/866,763,007.74 = 209,506,575.78/x - Step 3: Cross multiply
577,798,163.10x = 866,763,007.74 × 209,506,575.78 - Step 4: Simplify right side
577,798,163.10x = 181,592,549,764,381,024 - Step 5: Solve for x
x = 181,592,549,764,381,024/577,798,163.10 - Step 6: Final answer
x = 314,283,709.02
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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.