Finding the Fourth Proportional to 562,742,058.42, 776,627,122.77 and 354,077,064.18
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Solution
The fourth proportional to 562,742,058.42, 776,627,122.77 and 354,077,064.18 is: 488,653,455.84
Step by Step Solution
- Step 1: Write the proportion equation
562,742,058.42 : 776,627,122.77 = 354,077,064.18 : x - Step 2: Convert to fraction form
562,742,058.42/776,627,122.77 = 354,077,064.18/x - Step 3: Cross multiply
562,742,058.42x = 776,627,122.77 × 354,077,064.18 - Step 4: Simplify right side
562,742,058.42x = 274,985,851,592,962,016 - Step 5: Solve for x
x = 274,985,851,592,962,016/562,742,058.42 - Step 6: Final answer
x = 488,653,455.84
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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.