Finding the Fourth Proportional to 468,028,136.16, 645,899,130.60 and 259,184,278.84
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Solution
The fourth proportional to 468,028,136.16, 645,899,130.60 and 259,184,278.84 is: 357,685,548.01
Step by Step Solution
- Step 1: Write the proportion equation
468,028,136.16 : 645,899,130.60 = 259,184,278.84 : x - Step 2: Convert to fraction form
468,028,136.16/645,899,130.60 = 259,184,278.84/x - Step 3: Cross multiply
468,028,136.16x = 645,899,130.60 × 259,184,278.84 - Step 4: Simplify right side
468,028,136.16x = 167,406,900,367,944,000 - Step 5: Solve for x
x = 167,406,900,367,944,000/468,028,136.16 - Step 6: Final answer
x = 357,685,548.01
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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.