Finding the Fourth Proportional to 1,686,417,248.43, 2,327,328,529.99 and 933,730,438.28
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Solution
The fourth proportional to 1,686,417,248.43, 2,327,328,529.99 and 933,730,438.28 is: 1,288,588,272.17
Step by Step Solution
- Step 1: Write the proportion equation
1,686,417,248.43 : 2,327,328,529.99 = 933,730,438.28 : x - Step 2: Convert to fraction form
1,686,417,248.43/2,327,328,529.99 = 933,730,438.28/x - Step 3: Cross multiply
1,686,417,248.43x = 2,327,328,529.99 × 933,730,438.28 - Step 4: Simplify right side
1,686,417,248.43x = 2,173,097,488,315,140,096 - Step 5: Solve for x
x = 2,173,097,488,315,140,096/1,686,417,248.43 - Step 6: Final answer
x = 1,288,588,272.17
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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.