Finding the Fourth Proportional to 1,448,749,934.40, 2,173,124,901.60 and 1,336,828,459.80
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Solution
The fourth proportional to 1,448,749,934.40, 2,173,124,901.60 and 1,336,828,459.80 is: 2,005,242,689.70
Step by Step Solution
- Step 1: Write the proportion equation
1,448,749,934.40 : 2,173,124,901.60 = 1,336,828,459.80 : x - Step 2: Convert to fraction form
1,448,749,934.40/2,173,124,901.60 = 1,336,828,459.80/x - Step 3: Cross multiply
1,448,749,934.40x = 2,173,124,901.60 × 1,336,828,459.80 - Step 4: Simplify right side
1,448,749,934.40x = 2,905,095,215,158,954,496 - Step 5: Solve for x
x = 2,905,095,215,158,954,496/1,448,749,934.40 - Step 6: Final answer
x = 2,005,242,689.70
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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.