Finding the Fourth Proportional to 706,368,854.80, 1,059,553,282.20 and 676,513,680.40
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Solution
The fourth proportional to 706,368,854.80, 1,059,553,282.20 and 676,513,680.40 is: 1,014,770,520.60
Step by Step Solution
- Step 1: Write the proportion equation
706,368,854.80 : 1,059,553,282.20 = 676,513,680.40 : x - Step 2: Convert to fraction form
706,368,854.80/1,059,553,282.20 = 676,513,680.40/x - Step 3: Cross multiply
706,368,854.80x = 1,059,553,282.20 × 676,513,680.40 - Step 4: Simplify right side
706,368,854.80x = 716,802,290,521,021,824 - Step 5: Solve for x
x = 716,802,290,521,021,824/706,368,854.80 - Step 6: Final answer
x = 1,014,770,520.60
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1.5x scale
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.