Finding the Fourth Proportional to 1,064,681,687.34, 1,595,594,997.14 and 828,616,257.18
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Solution
The fourth proportional to 1,064,681,687.34, 1,595,594,997.14 and 828,616,257.18 is: 1,241,813,370.35
Step by Step Solution
- Step 1: Write the proportion equation
1,064,681,687.34 : 1,595,594,997.14 = 828,616,257.18 : x - Step 2: Convert to fraction form
1,064,681,687.34/1,595,594,997.14 = 828,616,257.18/x - Step 3: Cross multiply
1,064,681,687.34x = 1,595,594,997.14 × 828,616,257.18 - Step 4: Simplify right side
1,064,681,687.34x = 1,322,135,954,505,279,488 - Step 5: Solve for x
x = 1,322,135,954,505,279,488/1,064,681,687.34 - Step 6: Final answer
x = 1,241,813,370.35
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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.