Finding the Fourth Proportional to 289,442,536.90, 399,430,397.07 and 157,283,219.04
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Solution
The fourth proportional to 289,442,536.90, 399,430,397.07 and 157,283,219.04 is: 217,050,677.15
Step by Step Solution
- Step 1: Write the proportion equation
289,442,536.90 : 399,430,397.07 = 157,283,219.04 : x - Step 2: Convert to fraction form
289,442,536.90/399,430,397.07 = 157,283,219.04/x - Step 3: Cross multiply
289,442,536.90x = 399,430,397.07 × 157,283,219.04 - Step 4: Simplify right side
289,442,536.90x = 62,823,698,632,097,120 - Step 5: Solve for x
x = 62,823,698,632,097,120/289,442,536.90 - Step 6: Final answer
x = 217,050,677.15
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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.