Finding the Fourth Proportional to 1,188,777,708.93, 1,781,615,368.07 and 664,125,618.59
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Solution
The fourth proportional to 1,188,777,708.93, 1,781,615,368.07 and 664,125,618.59 is: 995,321,833.11
Step by Step Solution
- Step 1: Write the proportion equation
1,188,777,708.93 : 1,781,615,368.07 = 664,125,618.59 : x - Step 2: Convert to fraction form
1,188,777,708.93/1,781,615,368.07 = 664,125,618.59/x - Step 3: Cross multiply
1,188,777,708.93x = 1,781,615,368.07 × 664,125,618.59 - Step 4: Simplify right side
1,188,777,708.93x = 1,183,216,408,404,754,176 - Step 5: Solve for x
x = 1,183,216,408,404,754,176/1,188,777,708.93 - Step 6: Final answer
x = 995,321,833.11
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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.