Finding the Fourth Proportional to 983,537,713.04, 1,475,144,971.36 and 353,139,271.09
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Solution
The fourth proportional to 983,537,713.04, 1,475,144,971.36 and 353,139,271.09 is: 529,650,884.79
Step by Step Solution
- Step 1: Write the proportion equation
983,537,713.04 : 1,475,144,971.36 = 353,139,271.09 : x - Step 2: Convert to fraction form
983,537,713.04/1,475,144,971.36 = 353,139,271.09/x - Step 3: Cross multiply
983,537,713.04x = 1,475,144,971.36 × 353,139,271.09 - Step 4: Simplify right side
983,537,713.04x = 520,931,619,940,812,224 - Step 5: Solve for x
x = 520,931,619,940,812,224/983,537,713.04 - Step 6: Final answer
x = 529,650,884.79
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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.