Finding the Fourth Proportional to 426,909,462,282.22, 640,341,640,190.35 and 140,029,729,923.65
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Solution
The fourth proportional to 426,909,462,282.22, 640,341,640,190.35 and 140,029,729,923.65 is: 210,037,197,244.05
Step by Step Solution
- Step 1: Write the proportion equation
426,909,462,282.22 : 640,341,640,190.35 = 140,029,729,923.65 : x - Step 2: Convert to fraction form
426,909,462,282.22/640,341,640,190.35 = 140,029,729,923.65/x - Step 3: Cross multiply
426,909,462,282.22x = 640,341,640,190.35 × 140,029,729,923.65 - Step 4: Simplify right side
426,909,462,282.22x = 89,666,866,934,721,764,392,960 - Step 5: Solve for x
x = 89,666,866,934,721,764,392,960/426,909,462,282.22 - Step 6: Final answer
x = 210,037,197,244.05
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1.5x scale
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.