Finding the Fourth Proportional to 1,083,457,235.40, 1,625,185,853.10 and 807,552,313.80
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Solution
The fourth proportional to 1,083,457,235.40, 1,625,185,853.10 and 807,552,313.80 is: 1,211,328,470.70
Step by Step Solution
- Step 1: Write the proportion equation
1,083,457,235.40 : 1,625,185,853.10 = 807,552,313.80 : x - Step 2: Convert to fraction form
1,083,457,235.40/1,625,185,853.10 = 807,552,313.80/x - Step 3: Cross multiply
1,083,457,235.40x = 1,625,185,853.10 × 807,552,313.80 - Step 4: Simplify right side
1,083,457,235.40x = 1,312,422,596,025,931,776 - Step 5: Solve for x
x = 1,312,422,596,025,931,776/1,083,457,235.40 - Step 6: Final answer
x = 1,211,328,470.70
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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.