Finding the Fourth Proportional to 6,438,528,038.20, 9,657,792,057.30 and 2,302,641,599.80
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Solution
The fourth proportional to 6,438,528,038.20, 9,657,792,057.30 and 2,302,641,599.80 is: 3,453,962,399.70
Step by Step Solution
- Step 1: Write the proportion equation
6,438,528,038.20 : 9,657,792,057.30 = 2,302,641,599.80 : x - Step 2: Convert to fraction form
6,438,528,038.20/9,657,792,057.30 = 2,302,641,599.80/x - Step 3: Cross multiply
6,438,528,038.20x = 9,657,792,057.30 × 2,302,641,599.80 - Step 4: Simplify right side
6,438,528,038.20x = 22,238,433,753,357,004,800 - Step 5: Solve for x
x = 22,238,433,753,357,004,800/6,438,528,038.20 - Step 6: Final answer
x = 3,453,962,399.70
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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.