Finding the Fourth Proportional to 6,484,472,610.90, 8,952,964,928.13 and 4,107,719,704.02
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Solution
The fourth proportional to 6,484,472,610.90, 8,952,964,928.13 and 4,107,719,704.02 is: 5,671,435,851.68
Step by Step Solution
- Step 1: Write the proportion equation
6,484,472,610.90 : 8,952,964,928.13 = 4,107,719,704.02 : x - Step 2: Convert to fraction form
6,484,472,610.90/8,952,964,928.13 = 4,107,719,704.02/x - Step 3: Cross multiply
6,484,472,610.90x = 8,952,964,928.13 × 4,107,719,704.02 - Step 4: Simplify right side
6,484,472,610.90x = 36,776,270,444,679,602,176 - Step 5: Solve for x
x = 36,776,270,444,679,602,176/6,484,472,610.90 - Step 6: Final answer
x = 5,671,435,851.68
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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.