Finding the Fourth Proportional to 2,488,295,475.97, 3,732,417,649.97 and 1,438,365,615.10
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Solution
The fourth proportional to 2,488,295,475.97, 3,732,417,649.97 and 1,438,365,615.10 is: 2,157,533,645.32
Step by Step Solution
- Step 1: Write the proportion equation
2,488,295,475.97 : 3,732,417,649.97 = 1,438,365,615.10 : x - Step 2: Convert to fraction form
2,488,295,475.97/3,732,417,649.97 = 1,438,365,615.10/x - Step 3: Cross multiply
2,488,295,475.97x = 3,732,417,649.97 × 1,438,365,615.10 - Step 4: Simplify right side
2,488,295,475.97x = 5,368,581,208,909,195,264 - Step 5: Solve for x
x = 5,368,581,208,909,195,264/2,488,295,475.97 - Step 6: Final answer
x = 2,157,533,645.32
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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.