Finding the Fourth Proportional to 6,438,528,043.20, 9,657,792,064.80 and 2,302,641,604.80
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Solution
The fourth proportional to 6,438,528,043.20, 9,657,792,064.80 and 2,302,641,604.80 is: 3,453,962,407.20
Step by Step Solution
- Step 1: Write the proportion equation
6,438,528,043.20 : 9,657,792,064.80 = 2,302,641,604.80 : x - Step 2: Convert to fraction form
6,438,528,043.20/9,657,792,064.80 = 2,302,641,604.80/x - Step 3: Cross multiply
6,438,528,043.20x = 9,657,792,064.80 × 2,302,641,604.80 - Step 4: Simplify right side
6,438,528,043.20x = 22,238,433,818,915,778,560 - Step 5: Solve for x
x = 22,238,433,818,915,778,560/6,438,528,043.20 - Step 6: Final answer
x = 3,453,962,407.20
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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.