Finding the Fourth Proportional to 840,808,027.68, 1,160,292,588.66 and 464,456,515.68
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Solution
The fourth proportional to 840,808,027.68, 1,160,292,588.66 and 464,456,515.68 is: 640,937,568.57
Step by Step Solution
- Step 1: Write the proportion equation
840,808,027.68 : 1,160,292,588.66 = 464,456,515.68 : x - Step 2: Convert to fraction form
840,808,027.68/1,160,292,588.66 = 464,456,515.68/x - Step 3: Cross multiply
840,808,027.68x = 1,160,292,588.66 × 464,456,515.68 - Step 4: Simplify right side
840,808,027.68x = 538,905,452,898,351,104 - Step 5: Solve for x
x = 538,905,452,898,351,104/840,808,027.68 - Step 6: Final answer
x = 640,937,568.57
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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.