Finding the Fourth Proportional to 917,198,739.63, 1,374,437,619.68 and 673,671,215.79
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Solution
The fourth proportional to 917,198,739.63, 1,374,437,619.68 and 673,671,215.79 is: 1,009,507,560.65
Step by Step Solution
- Step 1: Write the proportion equation
917,198,739.63 : 1,374,437,619.68 = 673,671,215.79 : x - Step 2: Convert to fraction form
917,198,739.63/1,374,437,619.68 = 673,671,215.79/x - Step 3: Cross multiply
917,198,739.63x = 1,374,437,619.68 × 673,671,215.79 - Step 4: Simplify right side
917,198,739.63x = 925,919,062,273,970,816 - Step 5: Solve for x
x = 925,919,062,273,970,816/917,198,739.63 - Step 6: Final answer
x = 1,009,507,560.65
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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.