Finding the Fourth Proportional to 553,464,809.28, 763,790,510.97 and 330,465,977.84
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Solution
The fourth proportional to 553,464,809.28, 763,790,510.97 and 330,465,977.84 is: 456,048,467.47
Step by Step Solution
- Step 1: Write the proportion equation
553,464,809.28 : 763,790,510.97 = 330,465,977.84 : x - Step 2: Convert to fraction form
553,464,809.28/763,790,510.97 = 330,465,977.84/x - Step 3: Cross multiply
553,464,809.28x = 763,790,510.97 × 330,465,977.84 - Step 4: Simplify right side
553,464,809.28x = 252,406,778,068,795,328 - Step 5: Solve for x
x = 252,406,778,068,795,328/553,464,809.28 - Step 6: Final answer
x = 456,048,467.47
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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.