Finding the Fourth Proportional to 1,487,115,177,119.90, 2,231,691,705,649 and 519,023,617,521.70
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Solution
The fourth proportional to 1,487,115,177,119.90, 2,231,691,705,649 and 519,023,617,521.70 is: 778,891,050,323.62
Step by Step Solution
- Step 1: Write the proportion equation
1,487,115,177,119.90 : 2,231,691,705,649 = 519,023,617,521.70 : x - Step 2: Convert to fraction form
1,487,115,177,119.90/2,231,691,705,649 = 519,023,617,521.70/x - Step 3: Cross multiply
1,487,115,177,119.90x = 2,231,691,705,649 × 519,023,617,521.70 - Step 4: Simplify right side
1,487,115,177,119.90x = 1,158,300,702,259,116,966,412,288 - Step 5: Solve for x
x = 1,158,300,702,259,116,966,412,288/1,487,115,177,119.90 - Step 6: Final answer
x = 778,891,050,323.62
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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.