Finding the Fourth Proportional to 448,808,468,595.99, 619,356,283,940.16 and 243,043,063,100.70
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Solution
The fourth proportional to 448,808,468,595.99, 619,356,283,940.16 and 243,043,063,100.70 is: 335,399,750,522.51
Step by Step Solution
- Step 1: Write the proportion equation
448,808,468,595.99 : 619,356,283,940.16 = 243,043,063,100.70 : x - Step 2: Convert to fraction form
448,808,468,595.99/619,356,283,940.16 = 243,043,063,100.70/x - Step 3: Cross multiply
448,808,468,595.99x = 619,356,283,940.16 × 243,043,063,100.70 - Step 4: Simplify right side
448,808,468,595.99x = 150,530,248,399,483,396,161,536 - Step 5: Solve for x
x = 150,530,248,399,483,396,161,536/448,808,468,595.99 - Step 6: Final answer
x = 335,399,750,522.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.