Finding the Fourth Proportional to 9,889,119,966.80, 14,833,679,950.20 and 3,676,999,829.60
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Solution
The fourth proportional to 9,889,119,966.80, 14,833,679,950.20 and 3,676,999,829.60 is: 5,515,499,744.40
Step by Step Solution
- Step 1: Write the proportion equation
9,889,119,966.80 : 14,833,679,950.20 = 3,676,999,829.60 : x - Step 2: Convert to fraction form
9,889,119,966.80/14,833,679,950.20 = 3,676,999,829.60/x - Step 3: Cross multiply
9,889,119,966.80x = 14,833,679,950.20 × 3,676,999,829.60 - Step 4: Simplify right side
9,889,119,966.80x = 54,543,438,649,226,338,304 - Step 5: Solve for x
x = 54,543,438,649,226,338,304/9,889,119,966.80 - Step 6: Final answer
x = 5,515,499,744.40
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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.