Finding the Fourth Proportional to 536,660,475.34, 740,593,963.95 and 304,886,185.42
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Solution
The fourth proportional to 536,660,475.34, 740,593,963.95 and 304,886,185.42 is: 420,744,360.71
Step by Step Solution
- Step 1: Write the proportion equation
536,660,475.34 : 740,593,963.95 = 304,886,185.42 : x - Step 2: Convert to fraction form
536,660,475.34/740,593,963.95 = 304,886,185.42/x - Step 3: Cross multiply
536,660,475.34x = 740,593,963.95 × 304,886,185.42 - Step 4: Simplify right side
536,660,475.34x = 225,796,868,613,792,512 - Step 5: Solve for x
x = 225,796,868,613,792,512/536,660,475.34 - Step 6: Final answer
x = 420,744,360.71
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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.