Finding the Fourth Proportional to 416,952,644.05, 575,155,590.73 and 260,047,344.79
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Solution
The fourth proportional to 416,952,644.05, 575,155,590.73 and 260,047,344.79 is: 358,716,238.75
Step by Step Solution
- Step 1: Write the proportion equation
416,952,644.05 : 575,155,590.73 = 260,047,344.79 : x - Step 2: Convert to fraction form
416,952,644.05/575,155,590.73 = 260,047,344.79/x - Step 3: Cross multiply
416,952,644.05x = 575,155,590.73 × 260,047,344.79 - Step 4: Simplify right side
416,952,644.05x = 149,567,684,210,460,448 - Step 5: Solve for x
x = 149,567,684,210,460,448/416,952,644.05 - Step 6: Final answer
x = 358,716,238.75
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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.