Finding the Fourth Proportional to 904,405,640,980.05, 1,357,009,075,660.20 and 474,040,447,595.58
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Solution
The fourth proportional to 904,405,640,980.05, 1,357,009,075,660.20 and 474,040,447,595.58 is: 711,270,651,651.56
Step by Step Solution
- Step 1: Write the proportion equation
904,405,640,980.05 : 1,357,009,075,660.20 = 474,040,447,595.58 : x - Step 2: Convert to fraction form
904,405,640,980.05/1,357,009,075,660.20 = 474,040,447,595.58/x - Step 3: Cross multiply
904,405,640,980.05x = 1,357,009,075,660.20 × 474,040,447,595.58 - Step 4: Simplify right side
904,405,640,980.05x = 643,277,189,617,225,427,845,120 - Step 5: Solve for x
x = 643,277,189,617,225,427,845,120/904,405,640,980.05 - Step 6: Final answer
x = 711,270,651,651.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.