Finding the Fourth Proportional to 1,707,011,475.40, 2,562,430,400.70 and 1,320,547,580.20
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Solution
The fourth proportional to 1,707,011,475.40, 2,562,430,400.70 and 1,320,547,580.20 is: 1,982,301,416.15
Step by Step Solution
- Step 1: Write the proportion equation
1,707,011,475.40 : 2,562,430,400.70 = 1,320,547,580.20 : x - Step 2: Convert to fraction form
1,707,011,475.40/2,562,430,400.70 = 1,320,547,580.20/x - Step 3: Cross multiply
1,707,011,475.40x = 2,562,430,400.70 × 1,320,547,580.20 - Step 4: Simplify right side
1,707,011,475.40x = 3,383,811,265,075,301,376 - Step 5: Solve for x
x = 3,383,811,265,075,301,376/1,707,011,475.40 - Step 6: Final answer
x = 1,982,301,416.15
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1.5x scale
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.