Finding the Fourth Proportional to 1,169,312,480.54, 1,613,253,970.92 and 667,160,522.65
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Solution
The fourth proportional to 1,169,312,480.54, 1,613,253,970.92 and 667,160,522.65 is: 920,454,865.84
Step by Step Solution
- Step 1: Write the proportion equation
1,169,312,480.54 : 1,613,253,970.92 = 667,160,522.65 : x - Step 2: Convert to fraction form
1,169,312,480.54/1,613,253,970.92 = 667,160,522.65/x - Step 3: Cross multiply
1,169,312,480.54x = 1,613,253,970.92 × 667,160,522.65 - Step 4: Simplify right side
1,169,312,480.54x = 1,076,299,362,406,175,104 - Step 5: Solve for x
x = 1,076,299,362,406,175,104/1,169,312,480.54 - Step 6: Final answer
x = 920,454,865.84
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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.