Finding the Fourth Proportional to 771,052,221,615.55, 1,064,037,751,184.70 and 423,815,077,364.08
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Solution
The fourth proportional to 771,052,221,615.55, 1,064,037,751,184.70 and 423,815,077,364.08 is: 584,856,938,602.39
Step by Step Solution
- Step 1: Write the proportion equation
771,052,221,615.55 : 1,064,037,751,184.70 = 423,815,077,364.08 : x - Step 2: Convert to fraction form
771,052,221,615.55/1,064,037,751,184.70 = 423,815,077,364.08/x - Step 3: Cross multiply
771,052,221,615.55x = 1,064,037,751,184.70 × 423,815,077,364.08 - Step 4: Simplify right side
771,052,221,615.55x = 450,955,241,836,645,365,841,920 - Step 5: Solve for x
x = 450,955,241,836,645,365,841,920/771,052,221,615.55 - Step 6: Final answer
x = 584,856,938,602.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.