Finding the Fourth Proportional to 1,707,011,472.40, 2,562,430,396.20 and 1,320,547,577.20
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Solution
The fourth proportional to 1,707,011,472.40, 2,562,430,396.20 and 1,320,547,577.20 is: 1,982,301,411.65
Step by Step Solution
- Step 1: Write the proportion equation
1,707,011,472.40 : 2,562,430,396.20 = 1,320,547,577.20 : x - Step 2: Convert to fraction form
1,707,011,472.40/2,562,430,396.20 = 1,320,547,577.20/x - Step 3: Cross multiply
1,707,011,472.40x = 2,562,430,396.20 × 1,320,547,577.20 - Step 4: Simplify right side
1,707,011,472.40x = 3,383,811,251,445,545,984 - Step 5: Solve for x
x = 3,383,811,251,445,545,984/1,707,011,472.40 - Step 6: Final answer
x = 1,982,301,411.65
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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.