Finding the Fourth Proportional to 415,391,557.35, 623,120,329.64 and 139,044,230.28
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Solution
The fourth proportional to 415,391,557.35, 623,120,329.64 and 139,044,230.28 is: 208,577,389.39
Step by Step Solution
- Step 1: Write the proportion equation
415,391,557.35 : 623,120,329.64 = 139,044,230.28 : x - Step 2: Convert to fraction form
415,391,557.35/623,120,329.64 = 139,044,230.28/x - Step 3: Cross multiply
415,391,557.35x = 623,120,329.64 × 139,044,230.28 - Step 4: Simplify right side
415,391,557.35x = 86,641,286,606,613,664 - Step 5: Solve for x
x = 86,641,286,606,613,664/415,391,557.35 - Step 6: Final answer
x = 208,577,389.39
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