Finding the Fourth Proportional to 1,441,596,216.06, 1,989,480,022.19 and 806,478,820.31
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Solution
The fourth proportional to 1,441,596,216.06, 1,989,480,022.19 and 806,478,820.31 is: 1,112,983,985.01
Step by Step Solution
- Step 1: Write the proportion equation
1,441,596,216.06 : 1,989,480,022.19 = 806,478,820.31 : x - Step 2: Convert to fraction form
1,441,596,216.06/1,989,480,022.19 = 806,478,820.31/x - Step 3: Cross multiply
1,441,596,216.06x = 1,989,480,022.19 × 806,478,820.31 - Step 4: Simplify right side
1,441,596,216.06x = 1,604,473,501,330,109,952 - Step 5: Solve for x
x = 1,604,473,501,330,109,952/1,441,596,216.06 - Step 6: Final answer
x = 1,112,983,985.01
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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.