Finding the Fourth Proportional to 549,958,009.74, 758,926,919.18 and 302,439,363.99
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Solution
The fourth proportional to 549,958,009.74, 758,926,919.18 and 302,439,363.99 is: 417,357,999.49
Step by Step Solution
- Step 1: Write the proportion equation
549,958,009.74 : 758,926,919.18 = 302,439,363.99 : x - Step 2: Convert to fraction form
549,958,009.74/758,926,919.18 = 302,439,363.99/x - Step 3: Cross multiply
549,958,009.74x = 758,926,919.18 × 302,439,363.99 - Step 4: Simplify right side
549,958,009.74x = 229,529,374,750,177,120 - Step 5: Solve for x
x = 229,529,374,750,177,120/549,958,009.74 - Step 6: Final answer
x = 417,357,999.49
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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.