Finding the Fourth Proportional to 926,641,930.16, 1,278,790,835.68 and 545,190,591.80
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Solution
The fourth proportional to 926,641,930.16, 1,278,790,835.68 and 545,190,591.80 is: 752,377,709.02
Step by Step Solution
- Step 1: Write the proportion equation
926,641,930.16 : 1,278,790,835.68 = 545,190,591.80 : x - Step 2: Convert to fraction form
926,641,930.16/1,278,790,835.68 = 545,190,591.80/x - Step 3: Cross multiply
926,641,930.16x = 1,278,790,835.68 × 545,190,591.80 - Step 4: Simplify right side
926,641,930.16x = 697,184,732,492,795,776 - Step 5: Solve for x
x = 697,184,732,492,795,776/926,641,930.16 - Step 6: Final answer
x = 752,377,709.02
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1.5x scale
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.