Finding the Fourth Proportional to 800,313,698.81, 1,104,432,904.36 and 434,032,994.81
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Solution
The fourth proportional to 800,313,698.81, 1,104,432,904.36 and 434,032,994.81 is: 598,965,532.84
Step by Step Solution
- Step 1: Write the proportion equation
800,313,698.81 : 1,104,432,904.36 = 434,032,994.81 : x - Step 2: Convert to fraction form
800,313,698.81/1,104,432,904.36 = 434,032,994.81/x - Step 3: Cross multiply
800,313,698.81x = 1,104,432,904.36 × 434,032,994.81 - Step 4: Simplify right side
800,313,698.81x = 479,360,321,049,359,040 - Step 5: Solve for x
x = 479,360,321,049,359,040/800,313,698.81 - Step 6: Final answer
x = 598,965,532.84
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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.