Finding the Fourth Proportional to 755,917,400.80, 1,133,876,101.20 and 626,777,237.80
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Solution
The fourth proportional to 755,917,400.80, 1,133,876,101.20 and 626,777,237.80 is: 940,165,856.70
Step by Step Solution
- Step 1: Write the proportion equation
755,917,400.80 : 1,133,876,101.20 = 626,777,237.80 : x - Step 2: Convert to fraction form
755,917,400.80/1,133,876,101.20 = 626,777,237.80/x - Step 3: Cross multiply
755,917,400.80x = 1,133,876,101.20 × 626,777,237.80 - Step 4: Simplify right side
755,917,400.80x = 710,687,730,717,569,280 - Step 5: Solve for x
x = 710,687,730,717,569,280/755,917,400.80 - Step 6: Final answer
x = 940,165,856.70
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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.