Finding the Fourth Proportional to 4,326,382,991, 5,970,660,258.58 and 2,421,128,354.42
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Solution
The fourth proportional to 4,326,382,991, 5,970,660,258.58 and 2,421,128,354.42 is: 3,341,298,002.68
Step by Step Solution
- Step 1: Write the proportion equation
4,326,382,991 : 5,970,660,258.58 = 2,421,128,354.42 : x - Step 2: Convert to fraction form
4,326,382,991/5,970,660,258.58 = 2,421,128,354.42/x - Step 3: Cross multiply
4,326,382,991x = 5,970,660,258.58 × 2,421,128,354.42 - Step 4: Simplify right side
4,326,382,991x = 14,455,734,846,656,688,128 - Step 5: Solve for x
x = 14,455,734,846,656,688,128/4,326,382,991 - Step 6: Final answer
x = 3,341,298,002.68
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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.