Finding the Fourth Proportional to 466,355,279.08, 643,337,835.48 and 278,050,768.84
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Solution
The fourth proportional to 466,355,279.08, 643,337,835.48 and 278,050,768.84 is: 383,571,469.66
Step by Step Solution
- Step 1: Write the proportion equation
466,355,279.08 : 643,337,835.48 = 278,050,768.84 : x - Step 2: Convert to fraction form
466,355,279.08/643,337,835.48 = 278,050,768.84/x - Step 3: Cross multiply
466,355,279.08x = 643,337,835.48 × 278,050,768.84 - Step 4: Simplify right side
466,355,279.08x = 178,880,579,779,075,424 - Step 5: Solve for x
x = 178,880,579,779,075,424/466,355,279.08 - Step 6: Final answer
x = 383,571,469.66
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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.