Finding the Fourth Proportional to 296,462,462.70, 409,118,237.31 and 164,311,991.09
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Solution
The fourth proportional to 296,462,462.70, 409,118,237.31 and 164,311,991.09 is: 226,750,569.20
Step by Step Solution
- Step 1: Write the proportion equation
296,462,462.70 : 409,118,237.31 = 164,311,991.09 : x - Step 2: Convert to fraction form
296,462,462.70/409,118,237.31 = 164,311,991.09/x - Step 3: Cross multiply
296,462,462.70x = 409,118,237.31 × 164,311,991.09 - Step 4: Simplify right side
296,462,462.70x = 67,223,032,163,637,224 - Step 5: Solve for x
x = 67,223,032,163,637,224/296,462,462.70 - Step 6: Final answer
x = 226,750,569.20
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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.