Finding the Fourth Proportional to 865,759,295.25, 1,194,715,807.56 and 469,273,772.07
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Solution
The fourth proportional to 865,759,295.25, 1,194,715,807.56 and 469,273,772.07 is: 647,580,449.49
Step by Step Solution
- Step 1: Write the proportion equation
865,759,295.25 : 1,194,715,807.56 = 469,273,772.07 : x - Step 2: Convert to fraction form
865,759,295.25/1,194,715,807.56 = 469,273,772.07/x - Step 3: Cross multiply
865,759,295.25x = 1,194,715,807.56 × 469,273,772.07 - Step 4: Simplify right side
865,759,295.25x = 560,648,793,565,337,408 - Step 5: Solve for x
x = 560,648,793,565,337,408/865,759,295.25 - Step 6: Final answer
x = 647,580,449.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.