Finding the Fourth Proportional to 997,279,445.52, 1,376,221,611.06 and 545,137,315.92
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Solution
The fourth proportional to 997,279,445.52, 1,376,221,611.06 and 545,137,315.92 is: 752,276,364.00
Step by Step Solution
- Step 1: Write the proportion equation
997,279,445.52 : 1,376,221,611.06 = 545,137,315.92 : x - Step 2: Convert to fraction form
997,279,445.52/1,376,221,611.06 = 545,137,315.92/x - Step 3: Cross multiply
997,279,445.52x = 1,376,221,611.06 × 545,137,315.92 - Step 4: Simplify right side
997,279,445.52x = 750,229,755,164,346,496 - Step 5: Solve for x
x = 750,229,755,164,346,496/997,279,445.52 - Step 6: Final answer
x = 752,276,364.00
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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.