Finding the Fourth Proportional to 526,954,781.36, 727,201,930.74 and 292,009,365.44
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Solution
The fourth proportional to 526,954,781.36, 727,201,930.74 and 292,009,365.44 is: 402,975,325.12
Step by Step Solution
- Step 1: Write the proportion equation
526,954,781.36 : 727,201,930.74 = 292,009,365.44 : x - Step 2: Convert to fraction form
526,954,781.36/727,201,930.74 = 292,009,365.44/x - Step 3: Cross multiply
526,954,781.36x = 727,201,930.74 × 292,009,365.44 - Step 4: Simplify right side
526,954,781.36x = 212,349,774,342,130,240 - Step 5: Solve for x
x = 212,349,774,342,130,240/526,954,781.36 - Step 6: Final answer
x = 402,975,325.12
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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.