Finding the Fourth Proportional to 9,851,553,813.65, 14,779,231,950.62 and 3,217,399,438.67
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Solution
The fourth proportional to 9,851,553,813.65, 14,779,231,950.62 and 3,217,399,438.67 is: 4,826,720,076.99
Step by Step Solution
- Step 1: Write the proportion equation
9,851,553,813.65 : 14,779,231,950.62 = 3,217,399,438.67 : x - Step 2: Convert to fraction form
9,851,553,813.65/14,779,231,950.62 = 3,217,399,438.67/x - Step 3: Cross multiply
9,851,553,813.65x = 14,779,231,950.62 × 3,217,399,438.67 - Step 4: Simplify right side
9,851,553,813.65x = 47,550,692,581,834,268,672 - Step 5: Solve for x
x = 47,550,692,581,834,268,672/9,851,553,813.65 - Step 6: Final answer
x = 4,826,720,076.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.