Finding the Fourth Proportional to 1,417,178,437.20, 2,125,767,655.80 and 1,192,697,758.80
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Solution
The fourth proportional to 1,417,178,437.20, 2,125,767,655.80 and 1,192,697,758.80 is: 1,789,046,638.20
Step by Step Solution
- Step 1: Write the proportion equation
1,417,178,437.20 : 2,125,767,655.80 = 1,192,697,758.80 : x - Step 2: Convert to fraction form
1,417,178,437.20/2,125,767,655.80 = 1,192,697,758.80/x - Step 3: Cross multiply
1,417,178,437.20x = 2,125,767,655.80 × 1,192,697,758.80 - Step 4: Simplify right side
1,417,178,437.20x = 2,535,398,318,802,189,824 - Step 5: Solve for x
x = 2,535,398,318,802,189,824/1,417,178,437.20 - Step 6: Final answer
x = 1,789,046,638.20
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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.