Finding the Fourth Proportional to 943,748,013.12, 1,414,639,870.68 and 528,616,222.08
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Solution
The fourth proportional to 943,748,013.12, 1,414,639,870.68 and 528,616,222.08 is: 792,374,207.57
Step by Step Solution
- Step 1: Write the proportion equation
943,748,013.12 : 1,414,639,870.68 = 528,616,222.08 : x - Step 2: Convert to fraction form
943,748,013.12/1,414,639,870.68 = 528,616,222.08/x - Step 3: Cross multiply
943,748,013.12x = 1,414,639,870.68 × 528,616,222.08 - Step 4: Simplify right side
943,748,013.12x = 747,801,584,042,601,344 - Step 5: Solve for x
x = 747,801,584,042,601,344/943,748,013.12 - Step 6: Final answer
x = 792,374,207.57
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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.