Finding the Fourth Proportional to 1,030,203,281.68, 1,545,940,535.96 and 477,402,671.44
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Solution
The fourth proportional to 1,030,203,281.68, 1,545,940,535.96 and 477,402,671.44 is: 716,398,554.42
Step by Step Solution
- Step 1: Write the proportion equation
1,030,203,281.68 : 1,545,940,535.96 = 477,402,671.44 : x - Step 2: Convert to fraction form
1,030,203,281.68/1,545,940,535.96 = 477,402,671.44/x - Step 3: Cross multiply
1,030,203,281.68x = 1,545,940,535.96 × 477,402,671.44 - Step 4: Simplify right side
1,030,203,281.68x = 738,036,141,754,689,408 - Step 5: Solve for x
x = 738,036,141,754,689,408/1,030,203,281.68 - Step 6: Final answer
x = 716,398,554.42
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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.