Finding the Fourth Proportional to 920,659,210.70, 1,381,861,899.92 and 569,844,097.53
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Solution
The fourth proportional to 920,659,210.70, 1,381,861,899.92 and 569,844,097.53 is: 855,306,543.53
Step by Step Solution
- Step 1: Write the proportion equation
920,659,210.70 : 1,381,861,899.92 = 569,844,097.53 : x - Step 2: Convert to fraction form
920,659,210.70/1,381,861,899.92 = 569,844,097.53/x - Step 3: Cross multiply
920,659,210.70x = 1,381,861,899.92 × 569,844,097.53 - Step 4: Simplify right side
920,659,210.70x = 787,445,847,264,055,040 - Step 5: Solve for x
x = 787,445,847,264,055,040/920,659,210.70 - Step 6: Final answer
x = 855,306,543.53
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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.