Finding the Fourth Proportional to 584,947,394.05, 877,421,037.81 and 257,422,907.08
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Solution
The fourth proportional to 584,947,394.05, 877,421,037.81 and 257,422,907.08 is: 386,134,337.18
Step by Step Solution
- Step 1: Write the proportion equation
584,947,394.05 : 877,421,037.81 = 257,422,907.08 : x - Step 2: Convert to fraction form
584,947,394.05/877,421,037.81 = 257,422,907.08/x - Step 3: Cross multiply
584,947,394.05x = 877,421,037.81 × 257,422,907.08 - Step 4: Simplify right side
584,947,394.05x = 225,868,274,286,821,376 - Step 5: Solve for x
x = 225,868,274,286,821,376/584,947,394.05 - Step 6: Final answer
x = 386,134,337.18
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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.