Finding the Fourth Proportional to 683,527,866.14, 943,248,961.22 and 401,265,768.08
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Solution
The fourth proportional to 683,527,866.14, 943,248,961.22 and 401,265,768.08 is: 553,735,315.95
Step by Step Solution
- Step 1: Write the proportion equation
683,527,866.14 : 943,248,961.22 = 401,265,768.08 : x - Step 2: Convert to fraction form
683,527,866.14/943,248,961.22 = 401,265,768.08/x - Step 3: Cross multiply
683,527,866.14x = 943,248,961.22 × 401,265,768.08 - Step 4: Simplify right side
683,527,866.14x = 378,493,518,914,605,440 - Step 5: Solve for x
x = 378,493,518,914,605,440/683,527,866.14 - Step 6: Final answer
x = 553,735,315.95
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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.