Finding the Fourth Proportional to 1,872,449,507.90, 2,583,000,660.66 and 1,157,756,600.63
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Solution
The fourth proportional to 1,872,449,507.90, 2,583,000,660.66 and 1,157,756,600.63 is: 1,597,098,373.92
Step by Step Solution
- Step 1: Write the proportion equation
1,872,449,507.90 : 2,583,000,660.66 = 1,157,756,600.63 : x - Step 2: Convert to fraction form
1,872,449,507.90/2,583,000,660.66 = 1,157,756,600.63/x - Step 3: Cross multiply
1,872,449,507.90x = 2,583,000,660.66 × 1,157,756,600.63 - Step 4: Simplify right side
1,872,449,507.90x = 2,990,486,064,310,766,080 - Step 5: Solve for x
x = 2,990,486,064,310,766,080/1,872,449,507.90 - Step 6: Final answer
x = 1,597,098,373.92
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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.