Finding the Fourth Proportional to 518,996,286.10, 716,216,773 and 280,841,472.68
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Solution
The fourth proportional to 518,996,286.10, 716,216,773 and 280,841,472.68 is: 387,562,259.45
Step by Step Solution
- Step 1: Write the proportion equation
518,996,286.10 : 716,216,773 = 280,841,472.68 : x - Step 2: Convert to fraction form
518,996,286.10/716,216,773 = 280,841,472.68/x - Step 3: Cross multiply
518,996,286.10x = 716,216,773 × 280,841,472.68 - Step 4: Simplify right side
518,996,286.10x = 201,143,373,287,437,280 - Step 5: Solve for x
x = 201,143,373,287,437,280/518,996,286.10 - Step 6: Final answer
x = 387,562,259.45
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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.