Finding the Fourth Proportional to 754,476,358.04, 1,041,177,424.17 and 419,941,701.20
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Solution
The fourth proportional to 754,476,358.04, 1,041,177,424.17 and 419,941,701.20 is: 579,519,575.53
Step by Step Solution
- Step 1: Write the proportion equation
754,476,358.04 : 1,041,177,424.17 = 419,941,701.20 : x - Step 2: Convert to fraction form
754,476,358.04/1,041,177,424.17 = 419,941,701.20/x - Step 3: Cross multiply
754,476,358.04x = 1,041,177,424.17 × 419,941,701.20 - Step 4: Simplify right side
754,476,358.04x = 437,233,818,756,983,744 - Step 5: Solve for x
x = 437,233,818,756,983,744/754,476,358.04 - Step 6: Final answer
x = 579,519,575.53
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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.