Finding the Fourth Proportional to 1,918,585,520.97, 2,878,152,807.66 and 590,725,911.99
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Solution
The fourth proportional to 1,918,585,520.97, 2,878,152,807.66 and 590,725,911.99 is: 886,173,393.66
Step by Step Solution
- Step 1: Write the proportion equation
1,918,585,520.97 : 2,878,152,807.66 = 590,725,911.99 : x - Step 2: Convert to fraction form
1,918,585,520.97/2,878,152,807.66 = 590,725,911.99/x - Step 3: Cross multiply
1,918,585,520.97x = 2,878,152,807.66 × 590,725,911.99 - Step 4: Simplify right side
1,918,585,520.97x = 1,700,199,442,151,532,544 - Step 5: Solve for x
x = 1,700,199,442,151,532,544/1,918,585,520.97 - Step 6: Final answer
x = 886,173,393.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.