Finding the Fourth Proportional to 847,311,285.27, 1,169,259,750.64 and 465,830,542.74
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Solution
The fourth proportional to 847,311,285.27, 1,169,259,750.64 and 465,830,542.74 is: 642,829,753.02
Step by Step Solution
- Step 1: Write the proportion equation
847,311,285.27 : 1,169,259,750.64 = 465,830,542.74 : x - Step 2: Convert to fraction form
847,311,285.27/1,169,259,750.64 = 465,830,542.74/x - Step 3: Cross multiply
847,311,285.27x = 1,169,259,750.64 × 465,830,542.74 - Step 4: Simplify right side
847,311,285.27x = 544,676,904,237,657,408 - Step 5: Solve for x
x = 544,676,904,237,657,408/847,311,285.27 - Step 6: Final answer
x = 642,829,753.02
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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.