Finding the Fourth Proportional to 1,417,177,686.60, 2,125,766,529.90 and 900,191,881.80
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Solution
The fourth proportional to 1,417,177,686.60, 2,125,766,529.90 and 900,191,881.80 is: 1,350,287,822.70
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,686.60 : 2,125,766,529.90 = 900,191,881.80 : x - Step 2: Convert to fraction form
1,417,177,686.60/2,125,766,529.90 = 900,191,881.80/x - Step 3: Cross multiply
1,417,177,686.60x = 2,125,766,529.90 × 900,191,881.80 - Step 4: Simplify right side
1,417,177,686.60x = 1,913,597,772,818,136,832 - Step 5: Solve for x
x = 1,913,597,772,818,136,832/1,417,177,686.60 - Step 6: Final answer
x = 1,350,287,822.70
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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.