Finding the Fourth Proportional to 558,460,831.31, 770,666,544.86 and 307,588,585.09
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Solution
The fourth proportional to 558,460,831.31, 770,666,544.86 and 307,588,585.09 is: 424,467,068.80
Step by Step Solution
- Step 1: Write the proportion equation
558,460,831.31 : 770,666,544.86 = 307,588,585.09 : x - Step 2: Convert to fraction form
558,460,831.31/770,666,544.86 = 307,588,585.09/x - Step 3: Cross multiply
558,460,831.31x = 770,666,544.86 × 307,588,585.09 - Step 4: Simplify right side
558,460,831.31x = 237,048,232,110,269,824 - Step 5: Solve for x
x = 237,048,232,110,269,824/558,460,831.31 - Step 6: Final answer
x = 424,467,068.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.