Finding the Fourth Proportional to 811,196,810.44, 1,119,498,797.96 and 453,961,566.08
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Solution
The fourth proportional to 811,196,810.44, 1,119,498,797.96 and 453,961,566.08 is: 626,493,374.98
Step by Step Solution
- Step 1: Write the proportion equation
811,196,810.44 : 1,119,498,797.96 = 453,961,566.08 : x - Step 2: Convert to fraction form
811,196,810.44/1,119,498,797.96 = 453,961,566.08/x - Step 3: Cross multiply
811,196,810.44x = 1,119,498,797.96 × 453,961,566.08 - Step 4: Simplify right side
811,196,810.44x = 508,209,427,547,197,184 - Step 5: Solve for x
x = 508,209,427,547,197,184/811,196,810.44 - Step 6: Final answer
x = 626,493,374.98
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Double scale
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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.