Finding the Fourth Proportional to 676,770,285.13, 934,249,013.61 and 426,242,863.19
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Solution
The fourth proportional to 676,770,285.13, 934,249,013.61 and 426,242,863.19 is: 588,407,888.53
Step by Step Solution
- Step 1: Write the proportion equation
676,770,285.13 : 934,249,013.61 = 426,242,863.19 : x - Step 2: Convert to fraction form
676,770,285.13/934,249,013.61 = 426,242,863.19/x - Step 3: Cross multiply
676,770,285.13x = 934,249,013.61 × 426,242,863.19 - Step 4: Simplify right side
676,770,285.13x = 398,216,974,494,296,896 - Step 5: Solve for x
x = 398,216,974,494,296,896/676,770,285.13 - Step 6: Final answer
x = 588,407,888.53
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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.