Finding the Fourth Proportional to 1,107,763,575.79, 1,528,750,197.06 and 605,960,876.02
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Solution
The fourth proportional to 1,107,763,575.79, 1,528,750,197.06 and 605,960,876.02 is: 836,245,954.35
Step by Step Solution
- Step 1: Write the proportion equation
1,107,763,575.79 : 1,528,750,197.06 = 605,960,876.02 : x - Step 2: Convert to fraction form
1,107,763,575.79/1,528,750,197.06 = 605,960,876.02/x - Step 3: Cross multiply
1,107,763,575.79x = 1,528,750,197.06 × 605,960,876.02 - Step 4: Simplify right side
1,107,763,575.79x = 926,362,808,626,225,152 - Step 5: Solve for x
x = 926,362,808,626,225,152/1,107,763,575.79 - Step 6: Final answer
x = 836,245,954.35
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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.