Finding the Fourth Proportional to 1,174,130,859,847.60, 1,620,275,190,475.60 and 679,756,265,242.56
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Solution
The fourth proportional to 1,174,130,859,847.60, 1,620,275,190,475.60 and 679,756,265,242.56 is: 938,048,943,101.48
Step by Step Solution
- Step 1: Write the proportion equation
1,174,130,859,847.60 : 1,620,275,190,475.60 = 679,756,265,242.56 : x - Step 2: Convert to fraction form
1,174,130,859,847.60/1,620,275,190,475.60 = 679,756,265,242.56/x - Step 3: Cross multiply
1,174,130,859,847.60x = 1,620,275,190,475.60 × 679,756,265,242.56 - Step 4: Simplify right side
1,174,130,859,847.60x = 1,101,392,212,142,871,489,282,048 - Step 5: Solve for x
x = 1,101,392,212,142,871,489,282,048/1,174,130,859,847.60 - Step 6: Final answer
x = 938,048,943,101.48
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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.