Finding the Fourth Proportional to 1,597,671,947.70, 2,396,507,921.55 and 737,708,555.70
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Solution
The fourth proportional to 1,597,671,947.70, 2,396,507,921.55 and 737,708,555.70 is: 1,106,562,833.55
Step by Step Solution
- Step 1: Write the proportion equation
1,597,671,947.70 : 2,396,507,921.55 = 737,708,555.70 : x - Step 2: Convert to fraction form
1,597,671,947.70/2,396,507,921.55 = 737,708,555.70/x - Step 3: Cross multiply
1,597,671,947.70x = 2,396,507,921.55 × 737,708,555.70 - Step 4: Simplify right side
1,597,671,947.70x = 1,767,924,397,530,259,712 - Step 5: Solve for x
x = 1,767,924,397,530,259,712/1,597,671,947.70 - Step 6: Final answer
x = 1,106,562,833.55
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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.