Finding the Fourth Proportional to 849,582,202.84, 1,172,435,586.35 and 487,535,165.39
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Solution
The fourth proportional to 849,582,202.84, 1,172,435,586.35 and 487,535,165.39 is: 672,805,498.50
Step by Step Solution
- Step 1: Write the proportion equation
849,582,202.84 : 1,172,435,586.35 = 487,535,165.39 : x - Step 2: Convert to fraction form
849,582,202.84/1,172,435,586.35 = 487,535,165.39/x - Step 3: Cross multiply
849,582,202.84x = 1,172,435,586.35 × 487,535,165.39 - Step 4: Simplify right side
849,582,202.84x = 571,603,577,500,762,304 - Step 5: Solve for x
x = 571,603,577,500,762,304/849,582,202.84 - Step 6: Final answer
x = 672,805,498.50
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1.5x scale
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.