Finding the Fourth Proportional to 376,485,206.99, 519,562,202.57 and 209,228,517.74
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Solution
The fourth proportional to 376,485,206.99, 519,562,202.57 and 209,228,517.74 is: 288,742,366.23
Step by Step Solution
- Step 1: Write the proportion equation
376,485,206.99 : 519,562,202.57 = 209,228,517.74 : x - Step 2: Convert to fraction form
376,485,206.99/519,562,202.57 = 209,228,517.74/x - Step 3: Cross multiply
376,485,206.99x = 519,562,202.57 × 209,228,517.74 - Step 4: Simplify right side
376,485,206.99x = 108,707,229,513,806,768 - Step 5: Solve for x
x = 108,707,229,513,806,768/376,485,206.99 - Step 6: Final answer
x = 288,742,366.23
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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.