Finding the Fourth Proportional to 436,752,360.70, 655,128,541.05 and 403,495,963.90
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Solution
The fourth proportional to 436,752,360.70, 655,128,541.05 and 403,495,963.90 is: 605,243,945.85
Step by Step Solution
- Step 1: Write the proportion equation
436,752,360.70 : 655,128,541.05 = 403,495,963.90 : x - Step 2: Convert to fraction form
436,752,360.70/655,128,541.05 = 403,495,963.90/x - Step 3: Cross multiply
436,752,360.70x = 655,128,541.05 × 403,495,963.90 - Step 4: Simplify right side
436,752,360.70x = 264,341,722,149,370,432 - Step 5: Solve for x
x = 264,341,722,149,370,432/436,752,360.70 - Step 6: Final answer
x = 605,243,945.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.