Finding the Fourth Proportional to 543,963,124.68, 750,661,931.34 and 302,557,471.98
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Solution
The fourth proportional to 543,963,124.68, 750,661,931.34 and 302,557,471.98 is: 417,525,317.35
Step by Step Solution
- Step 1: Write the proportion equation
543,963,124.68 : 750,661,931.34 = 302,557,471.98 : x - Step 2: Convert to fraction form
543,963,124.68/750,661,931.34 = 302,557,471.98/x - Step 3: Cross multiply
543,963,124.68x = 750,661,931.34 × 302,557,471.98 - Step 4: Simplify right side
543,963,124.68x = 227,118,376,257,854,752 - Step 5: Solve for x
x = 227,118,376,257,854,752/543,963,124.68 - Step 6: Final answer
x = 417,525,317.35
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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.