Finding the Fourth Proportional to 746,862,070.20, 1,120,293,105.30 and 528,758,683.80
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Solution
The fourth proportional to 746,862,070.20, 1,120,293,105.30 and 528,758,683.80 is: 793,138,025.70
Step by Step Solution
- Step 1: Write the proportion equation
746,862,070.20 : 1,120,293,105.30 = 528,758,683.80 : x - Step 2: Convert to fraction form
746,862,070.20/1,120,293,105.30 = 528,758,683.80/x - Step 3: Cross multiply
746,862,070.20x = 1,120,293,105.30 × 528,758,683.80 - Step 4: Simplify right side
746,862,070.20x = 592,364,707,828,642,816 - Step 5: Solve for x
x = 592,364,707,828,642,816/746,862,070.20 - Step 6: Final answer
x = 793,138,025.70
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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.