Finding the Fourth Proportional to 3,711,984,895.84, 5,122,565,804.36 and 2,018,427,405.07
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Solution
The fourth proportional to 3,711,984,895.84, 5,122,565,804.36 and 2,018,427,405.07 is: 2,785,444,309.15
Step by Step Solution
- Step 1: Write the proportion equation
3,711,984,895.84 : 5,122,565,804.36 = 2,018,427,405.07 : x - Step 2: Convert to fraction form
3,711,984,895.84/5,122,565,804.36 = 2,018,427,405.07/x - Step 3: Cross multiply
3,711,984,895.84x = 5,122,565,804.36 × 2,018,427,405.07 - Step 4: Simplify right side
3,711,984,895.84x = 10,339,527,203,771,772,928 - Step 5: Solve for x
x = 10,339,527,203,771,772,928/3,711,984,895.84 - Step 6: Final answer
x = 2,785,444,309.15
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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.