Finding the Fourth Proportional to 8,999,083,407.87, 12,418,734,038.83 and 5,382,106,588.00
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Solution
The fourth proportional to 8,999,083,407.87, 12,418,734,038.83 and 5,382,106,588.00 is: 7,427,306,455.07
Step by Step Solution
- Step 1: Write the proportion equation
8,999,083,407.87 : 12,418,734,038.83 = 5,382,106,588.00 : x - Step 2: Convert to fraction form
8,999,083,407.87/12,418,734,038.83 = 5,382,106,588.00/x - Step 3: Cross multiply
8,999,083,407.87x = 12,418,734,038.83 × 5,382,106,588.00 - Step 4: Simplify right side
8,999,083,407.87x = 66,838,950,284,969,533,440 - Step 5: Solve for x
x = 66,838,950,284,969,533,440/8,999,083,407.87 - Step 6: Final answer
x = 7,427,306,455.07
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1.5x scale
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.