Finding the Fourth Proportional to 405,480,134.41, 608,243,614.56 and 156,486,683.99
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Solution
The fourth proportional to 405,480,134.41, 608,243,614.56 and 156,486,683.99 is: 234,739,061.73
Step by Step Solution
- Step 1: Write the proportion equation
405,480,134.41 : 608,243,614.56 = 156,486,683.99 : x - Step 2: Convert to fraction form
405,480,134.41/608,243,614.56 = 156,486,683.99/x - Step 3: Cross multiply
405,480,134.41x = 608,243,614.56 × 156,486,683.99 - Step 4: Simplify right side
405,480,134.41x = 95,182,026,302,106,688 - Step 5: Solve for x
x = 95,182,026,302,106,688/405,480,134.41 - Step 6: Final answer
x = 234,739,061.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.