Finding the Fourth Proportional to 1,546,400,984.34, 2,134,103,631.87 and 911,348,278.68
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Solution
The fourth proportional to 1,546,400,984.34, 2,134,103,631.87 and 911,348,278.68 is: 1,257,702,039.20
Step by Step Solution
- Step 1: Write the proportion equation
1,546,400,984.34 : 2,134,103,631.87 = 911,348,278.68 : x - Step 2: Convert to fraction form
1,546,400,984.34/2,134,103,631.87 = 911,348,278.68/x - Step 3: Cross multiply
1,546,400,984.34x = 2,134,103,631.87 × 911,348,278.68 - Step 4: Simplify right side
1,546,400,984.34x = 1,944,911,671,429,460,736 - Step 5: Solve for x
x = 1,944,911,671,429,460,736/1,546,400,984.34 - Step 6: Final answer
x = 1,257,702,039.20
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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.