Finding the Fourth Proportional to 683,879,336.74, 943,754,291.98 and 370,613,550.73
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Solution
The fourth proportional to 683,879,336.74, 943,754,291.98 and 370,613,550.73 is: 511,447,137.49
Step by Step Solution
- Step 1: Write the proportion equation
683,879,336.74 : 943,754,291.98 = 370,613,550.73 : x - Step 2: Convert to fraction form
683,879,336.74/943,754,291.98 = 370,613,550.73/x - Step 3: Cross multiply
683,879,336.74x = 943,754,291.98 × 370,613,550.73 - Step 4: Simplify right side
683,879,336.74x = 349,768,129,164,099,072 - Step 5: Solve for x
x = 349,768,129,164,099,072/683,879,336.74 - Step 6: Final answer
x = 511,447,137.49
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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.