Finding the Fourth Proportional to 557,805,405.47, 837,232,327.43 and 292,101,829.21
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Solution
The fourth proportional to 557,805,405.47, 837,232,327.43 and 292,101,829.21 is: 438,427,257.81
Step by Step Solution
- Step 1: Write the proportion equation
557,805,405.47 : 837,232,327.43 = 292,101,829.21 : x - Step 2: Convert to fraction form
557,805,405.47/837,232,327.43 = 292,101,829.21/x - Step 3: Cross multiply
557,805,405.47x = 837,232,327.43 × 292,101,829.21 - Step 4: Simplify right side
557,805,405.47x = 244,557,094,310,401,952 - Step 5: Solve for x
x = 244,557,094,310,401,952/557,805,405.47 - Step 6: Final answer
x = 438,427,257.81
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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.