Finding the Fourth Proportional to 1,929,139,649.28, 2,891,028,649.32 and 1,007,176,906.80
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Solution
The fourth proportional to 1,929,139,649.28, 2,891,028,649.32 and 1,007,176,906.80 is: 1,509,365,739.06
Step by Step Solution
- Step 1: Write the proportion equation
1,929,139,649.28 : 2,891,028,649.32 = 1,007,176,906.80 : x - Step 2: Convert to fraction form
1,929,139,649.28/2,891,028,649.32 = 1,007,176,906.80/x - Step 3: Cross multiply
1,929,139,649.28x = 2,891,028,649.32 × 1,007,176,906.80 - Step 4: Simplify right side
1,929,139,649.28x = 2,911,777,292,492,299,776 - Step 5: Solve for x
x = 2,911,777,292,492,299,776/1,929,139,649.28 - Step 6: Final answer
x = 1,509,365,739.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.