Finding the Fourth Proportional to 3,203,387,885.16, 4,803,326,283.48 and 991,983,661.80
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Solution
The fourth proportional to 3,203,387,885.16, 4,803,326,283.48 and 991,983,661.80 is: 1,487,431,858.50
Step by Step Solution
- Step 1: Write the proportion equation
3,203,387,885.16 : 4,803,326,283.48 = 991,983,661.80 : x - Step 2: Convert to fraction form
3,203,387,885.16/4,803,326,283.48 = 991,983,661.80/x - Step 3: Cross multiply
3,203,387,885.16x = 4,803,326,283.48 × 991,983,661.80 - Step 4: Simplify right side
3,203,387,885.16x = 4,764,821,195,506,674,688 - Step 5: Solve for x
x = 4,764,821,195,506,674,688/3,203,387,885.16 - Step 6: Final answer
x = 1,487,431,858.50
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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.