Finding the Fourth Proportional to 747,980,290.08, 1,032,315,340.44 and 430,434,009.84
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Solution
The fourth proportional to 747,980,290.08, 1,032,315,340.44 and 430,434,009.84 is: 594,057,941.50
Step by Step Solution
- Step 1: Write the proportion equation
747,980,290.08 : 1,032,315,340.44 = 430,434,009.84 : x - Step 2: Convert to fraction form
747,980,290.08/1,032,315,340.44 = 430,434,009.84/x - Step 3: Cross multiply
747,980,290.08x = 1,032,315,340.44 × 430,434,009.84 - Step 4: Simplify right side
747,980,290.08x = 444,343,631,404,933,888 - Step 5: Solve for x
x = 444,343,631,404,933,888/747,980,290.08 - Step 6: Final answer
x = 594,057,941.50
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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.