Finding the Fourth Proportional to 456,129,347.36, 629,526,653.52 and 359,074,545.44
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Solution
The fourth proportional to 456,129,347.36, 629,526,653.52 and 359,074,545.44 is: 495,576,525.09
Step by Step Solution
- Step 1: Write the proportion equation
456,129,347.36 : 629,526,653.52 = 359,074,545.44 : x - Step 2: Convert to fraction form
456,129,347.36/629,526,653.52 = 359,074,545.44/x - Step 3: Cross multiply
456,129,347.36x = 629,526,653.52 × 359,074,545.44 - Step 4: Simplify right side
456,129,347.36x = 226,046,996,955,058,368 - Step 5: Solve for x
x = 226,046,996,955,058,368/456,129,347.36 - Step 6: Final answer
x = 495,576,525.09
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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.