Finding the Fourth Proportional to 917,198,815.92, 1,374,437,732.76 and 673,671,292.08
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Solution
The fourth proportional to 917,198,815.92, 1,374,437,732.76 and 673,671,292.08 is: 1,009,507,674.06
Step by Step Solution
- Step 1: Write the proportion equation
917,198,815.92 : 1,374,437,732.76 = 673,671,292.08 : x - Step 2: Convert to fraction form
917,198,815.92/1,374,437,732.76 = 673,671,292.08/x - Step 3: Cross multiply
917,198,815.92x = 1,374,437,732.76 × 673,671,292.08 - Step 4: Simplify right side
917,198,815.92x = 925,919,243,311,934,976 - Step 5: Solve for x
x = 925,919,243,311,934,976/917,198,815.92 - Step 6: Final answer
x = 1,009,507,674.06
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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.