Finding the Fourth Proportional to 581,242,855.05, 802,128,372.84 and 330,307,707.96
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Solution
The fourth proportional to 581,242,855.05, 802,128,372.84 and 330,307,707.96 is: 455,832,156.94
Step by Step Solution
- Step 1: Write the proportion equation
581,242,855.05 : 802,128,372.84 = 330,307,707.96 : x - Step 2: Convert to fraction form
581,242,855.05/802,128,372.84 = 330,307,707.96/x - Step 3: Cross multiply
581,242,855.05x = 802,128,372.84 × 330,307,707.96 - Step 4: Simplify right side
581,242,855.05x = 264,949,184,322,464,704 - Step 5: Solve for x
x = 264,949,184,322,464,704/581,242,855.05 - Step 6: Final answer
x = 455,832,156.94
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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.