Finding the Fourth Proportional to 1,708,615,478.70, 2,563,168,815.90 and 528,288,007.14
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Solution
The fourth proportional to 1,708,615,478.70, 2,563,168,815.90 and 528,288,007.14 is: 792,507,947.28
Step by Step Solution
- Step 1: Write the proportion equation
1,708,615,478.70 : 2,563,168,815.90 = 528,288,007.14 : x - Step 2: Convert to fraction form
1,708,615,478.70/2,563,168,815.90 = 528,288,007.14/x - Step 3: Cross multiply
1,708,615,478.70x = 2,563,168,815.90 × 528,288,007.14 - Step 4: Simplify right side
1,708,615,478.70x = 1,354,091,345,715,204,608 - Step 5: Solve for x
x = 1,354,091,345,715,204,608/1,708,615,478.70 - Step 6: Final answer
x = 792,507,947.28
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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.