Finding the Fourth Proportional to 676,770,326.57, 934,249,070.79 and 426,242,904.63
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Solution
The fourth proportional to 676,770,326.57, 934,249,070.79 and 426,242,904.63 is: 588,407,945.72
Step by Step Solution
- Step 1: Write the proportion equation
676,770,326.57 : 934,249,070.79 = 426,242,904.63 : x - Step 2: Convert to fraction form
676,770,326.57/934,249,070.79 = 426,242,904.63/x - Step 3: Cross multiply
676,770,326.57x = 934,249,070.79 × 426,242,904.63 - Step 4: Simplify right side
676,770,326.57x = 398,217,037,581,408,064 - Step 5: Solve for x
x = 398,217,037,581,408,064/676,770,326.57 - Step 6: Final answer
x = 588,407,945.72
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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.