Finding the Fourth Proportional to 911,557,252.74, 1,257,254,956.46 and 784,613,985.85
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Solution
The fourth proportional to 911,557,252.74, 1,257,254,956.46 and 784,613,985.85 is: 1,082,169,901.73
Step by Step Solution
- Step 1: Write the proportion equation
911,557,252.74 : 1,257,254,956.46 = 784,613,985.85 : x - Step 2: Convert to fraction form
911,557,252.74/1,257,254,956.46 = 784,613,985.85/x - Step 3: Cross multiply
911,557,252.74x = 1,257,254,956.46 × 784,613,985.85 - Step 4: Simplify right side
911,557,252.74x = 986,459,822,621,282,048 - Step 5: Solve for x
x = 986,459,822,621,282,048/911,557,252.74 - Step 6: Final answer
x = 1,082,169,901.73
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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.