Finding the Fourth Proportional to 944,790,869.60, 1,417,186,304.40 and 858,697,427.60
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Solution
The fourth proportional to 944,790,869.60, 1,417,186,304.40 and 858,697,427.60 is: 1,288,046,141.40
Step by Step Solution
- Step 1: Write the proportion equation
944,790,869.60 : 1,417,186,304.40 = 858,697,427.60 : x - Step 2: Convert to fraction form
944,790,869.60/1,417,186,304.40 = 858,697,427.60/x - Step 3: Cross multiply
944,790,869.60x = 1,417,186,304.40 × 858,697,427.60 - Step 4: Simplify right side
944,790,869.60x = 1,216,934,234,018,230,784 - Step 5: Solve for x
x = 1,216,934,234,018,230,784/944,790,869.60 - Step 6: Final answer
x = 1,288,046,141.40
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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.