Finding the Fourth Proportional to 553,284,762.08, 829,930,710.43 and 221,319,504.92
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Solution
The fourth proportional to 553,284,762.08, 829,930,710.43 and 221,319,504.92 is: 331,980,684.34
Step by Step Solution
- Step 1: Write the proportion equation
553,284,762.08 : 829,930,710.43 = 221,319,504.92 : x - Step 2: Convert to fraction form
553,284,762.08/829,930,710.43 = 221,319,504.92/x - Step 3: Cross multiply
553,284,762.08x = 829,930,710.43 × 221,319,504.92 - Step 4: Simplify right side
553,284,762.08x = 183,679,853,947,334,624 - Step 5: Solve for x
x = 183,679,853,947,334,624/553,284,762.08 - Step 6: Final answer
x = 331,980,684.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.