Finding the Fourth Proportional to 1,512,182,688.80, 2,264,872,810.80 and 899,962,656.80
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Solution
The fourth proportional to 1,512,182,688.80, 2,264,872,810.80 and 899,962,656.80 is: 1,347,919,776.64
Step by Step Solution
- Step 1: Write the proportion equation
1,512,182,688.80 : 2,264,872,810.80 = 899,962,656.80 : x - Step 2: Convert to fraction form
1,512,182,688.80/2,264,872,810.80 = 899,962,656.80/x - Step 3: Cross multiply
1,512,182,688.80x = 2,264,872,810.80 × 899,962,656.80 - Step 4: Simplify right side
1,512,182,688.80x = 2,038,300,952,121,651,712 - Step 5: Solve for x
x = 2,038,300,952,121,651,712/1,512,182,688.80 - Step 6: Final answer
x = 1,347,919,776.64
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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.