Finding the Fourth Proportional to 553,317,829.12, 829,465,986.24 and 276,728,360.13
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Solution
The fourth proportional to 553,317,829.12, 829,465,986.24 and 276,728,360.13 is: 414,837,097.37
Step by Step Solution
- Step 1: Write the proportion equation
553,317,829.12 : 829,465,986.24 = 276,728,360.13 : x - Step 2: Convert to fraction form
553,317,829.12/829,465,986.24 = 276,728,360.13/x - Step 3: Cross multiply
553,317,829.12x = 829,465,986.24 × 276,728,360.13 - Step 4: Simplify right side
553,317,829.12x = 229,536,762,155,808,352 - Step 5: Solve for x
x = 229,536,762,155,808,352/553,317,829.12 - Step 6: Final answer
x = 414,837,097.37
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1.5x scale
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.