Finding the Fourth Proportional to 813,249,280.08, 1,122,291,021.24 and 441,971,388
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Solution
The fourth proportional to 813,249,280.08, 1,122,291,021.24 and 441,971,388 is: 609,924,327.69
Step by Step Solution
- Step 1: Write the proportion equation
813,249,280.08 : 1,122,291,021.24 = 441,971,388 : x - Step 2: Convert to fraction form
813,249,280.08/1,122,291,021.24 = 441,971,388/x - Step 3: Cross multiply
813,249,280.08x = 1,122,291,021.24 × 441,971,388 - Step 4: Simplify right side
813,249,280.08x = 496,020,520,397,380,288 - Step 5: Solve for x
x = 496,020,520,397,380,288/813,249,280.08 - Step 6: Final answer
x = 609,924,327.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.