Finding the Fourth Proportional to 896,206,830.80, 1,344,310,246.20 and 841,787,272.40
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Solution
The fourth proportional to 896,206,830.80, 1,344,310,246.20 and 841,787,272.40 is: 1,262,680,908.60
Step by Step Solution
- Step 1: Write the proportion equation
896,206,830.80 : 1,344,310,246.20 = 841,787,272.40 : x - Step 2: Convert to fraction form
896,206,830.80/1,344,310,246.20 = 841,787,272.40/x - Step 3: Cross multiply
896,206,830.80x = 1,344,310,246.20 × 841,787,272.40 - Step 4: Simplify right side
896,206,830.80x = 1,131,623,255,408,070,528 - Step 5: Solve for x
x = 1,131,623,255,408,070,528/896,206,830.80 - Step 6: Final answer
x = 1,262,680,908.60
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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.