Finding the Fourth Proportional to 354,964,305.74, 534,869,351.47 and 291,685,625.86
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Solution
The fourth proportional to 354,964,305.74, 534,869,351.47 and 291,685,625.86 is: 439,519,408.04
Step by Step Solution
- Step 1: Write the proportion equation
354,964,305.74 : 534,869,351.47 = 291,685,625.86 : x - Step 2: Convert to fraction form
354,964,305.74/534,869,351.47 = 291,685,625.86/x - Step 3: Cross multiply
354,964,305.74x = 534,869,351.47 × 291,685,625.86 - Step 4: Simplify right side
354,964,305.74x = 156,013,701,535,400,832 - Step 5: Solve for x
x = 156,013,701,535,400,832/354,964,305.74 - Step 6: Final answer
x = 439,519,408.04
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.