Finding the Fourth Proportional to 1,056,819,637.20, 1,585,229,455.80 and 366,497,461.20
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Solution
The fourth proportional to 1,056,819,637.20, 1,585,229,455.80 and 366,497,461.20 is: 549,746,191.80
Step by Step Solution
- Step 1: Write the proportion equation
1,056,819,637.20 : 1,585,229,455.80 = 366,497,461.20 : x - Step 2: Convert to fraction form
1,056,819,637.20/1,585,229,455.80 = 366,497,461.20/x - Step 3: Cross multiply
1,056,819,637.20x = 1,585,229,455.80 × 366,497,461.20 - Step 4: Simplify right side
1,056,819,637.20x = 580,982,570,970,157,568 - Step 5: Solve for x
x = 580,982,570,970,157,568/1,056,819,637.20 - Step 6: Final answer
x = 549,746,191.80
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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.