Finding the Fourth Proportional to 976,652,889.76, 1,464,979,859.52 and 363,157,399.36
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Solution
The fourth proportional to 976,652,889.76, 1,464,979,859.52 and 363,157,399.36 is: 544,736,294.21
Step by Step Solution
- Step 1: Write the proportion equation
976,652,889.76 : 1,464,979,859.52 = 363,157,399.36 : x - Step 2: Convert to fraction form
976,652,889.76/1,464,979,859.52 = 363,157,399.36/x - Step 3: Cross multiply
976,652,889.76x = 1,464,979,859.52 × 363,157,399.36 - Step 4: Simplify right side
976,652,889.76x = 532,018,275,898,061,376 - Step 5: Solve for x
x = 532,018,275,898,061,376/976,652,889.76 - Step 6: Final answer
x = 544,736,294.21
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.