Finding the Fourth Proportional to 626,291,943,980.67, 939,053,447,964.81 and 243,388,932,331.99
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Solution
The fourth proportional to 626,291,943,980.67, 939,053,447,964.81 and 243,388,932,331.99 is: 364,933,986,936.10
Step by Step Solution
- Step 1: Write the proportion equation
626,291,943,980.67 : 939,053,447,964.81 = 243,388,932,331.99 : x - Step 2: Convert to fraction form
626,291,943,980.67/939,053,447,964.81 = 243,388,932,331.99/x - Step 3: Cross multiply
626,291,943,980.67x = 939,053,447,964.81 × 243,388,932,331.99 - Step 4: Simplify right side
626,291,943,980.67x = 228,555,216,102,829,036,929,024 - Step 5: Solve for x
x = 228,555,216,102,829,036,929,024/626,291,943,980.67 - Step 6: Final answer
x = 364,933,986,936.10
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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.